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<!--Created by IRIS RegTech Solutions_Direct, Powered by IRIS Carbon, Unique Code 6a070bd58fdfe617203479e8, Generated At Fri, 15 May 2026 12:05:57 GMT-->
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  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" />
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  <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="StatementClassOfStockAxis" xlink:title="StatementClassOfStockAxis" />
    <link:label xlink:type="resource" xlink:label="label_StatementClassOfStockAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StatementClassOfStockAxis" xml:lang="en-US" id="label_StatementClassOfStockAxis">Class of Stock [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementClassOfStockAxis" xlink:to="label_StatementClassOfStockAxis" xlink:title="Label : StatementClassOfStockAxis to label_StatementClassOfStockAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain" xlink:label="ClassOfStockDomain" xlink:title="ClassOfStockDomain" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfStockDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ClassOfStockDomain" xml:lang="en-US" id="label_ClassOfStockDomain">Class of Stock [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfStockDomain" xlink:to="label_ClassOfStockDomain" xlink:title="Label : ClassOfStockDomain to label_ClassOfStockDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="StatementOfFinancialPositionAbstract" xlink:title="StatementOfFinancialPositionAbstract" />
    <link:label xlink:type="resource" xlink:label="label_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StatementOfFinancialPositionAbstract" xml:lang="en-US" id="label_StatementOfFinancialPositionAbstract">Statement of Financial Position [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="label_StatementOfFinancialPositionAbstract" xlink:title="Label : StatementOfFinancialPositionAbstract to label_StatementOfFinancialPositionAbstract" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="AssetsCurrentAbstract" xlink:title="AssetsCurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AssetsCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AssetsCurrentAbstract" xml:lang="en-US" id="label_AssetsCurrentAbstract">Current Assets:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrentAbstract" xlink:to="label_AssetsCurrentAbstract" xlink:title="Label : AssetsCurrentAbstract to label_AssetsCurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AssetsCurrentAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AssetsCurrentAbstract_1" xml:lang="en-US" id="label_AssetsCurrentAbstract_1">Assets, Current [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrentAbstract" xlink:to="label_AssetsCurrentAbstract_1" xlink:title="Label : AssetsCurrentAbstract to label_AssetsCurrentAbstract_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue" />
    <link:label xlink:type="resource" xlink:label="label_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US" id="label_CashAndCashEquivalentsAtCarryingValue">Cash and Cash Equivalents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsAtCarryingValue" xlink:to="label_CashAndCashEquivalentsAtCarryingValue" xlink:title="Label : CashAndCashEquivalentsAtCarryingValue to label_CashAndCashEquivalentsAtCarryingValue" />
    <link:label xlink:type="resource" xlink:label="label_CashAndCashEquivalentsAtCarryingValue_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_CashAndCashEquivalentsAtCarryingValue_1" xml:lang="en-US" id="label_CashAndCashEquivalentsAtCarryingValue_1">Cash and cash equivalents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsAtCarryingValue" xlink:to="label_CashAndCashEquivalentsAtCarryingValue_1" xlink:title="Label : CashAndCashEquivalentsAtCarryingValue to label_CashAndCashEquivalentsAtCarryingValue_1" />
    <link:label xlink:type="resource" xlink:label="label_CashAndCashEquivalentsAtCarryingValue_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CashAndCashEquivalentsAtCarryingValue_2" xml:lang="en-US" id="label_CashAndCashEquivalentsAtCarryingValue_2">Cash and Cash Equivalent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsAtCarryingValue" xlink:to="label_CashAndCashEquivalentsAtCarryingValue_2" xlink:title="Label : CashAndCashEquivalentsAtCarryingValue to label_CashAndCashEquivalentsAtCarryingValue_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="AccountsReceivableNetCurrent" xlink:title="AccountsReceivableNetCurrent" />
    <link:label xlink:type="resource" xlink:label="label_AccountsReceivableNetCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AccountsReceivableNetCurrent" xml:lang="en-US" id="label_AccountsReceivableNetCurrent">Accounts Receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivableNetCurrent" xlink:to="label_AccountsReceivableNetCurrent" xlink:title="Label : AccountsReceivableNetCurrent to label_AccountsReceivableNetCurrent" />
    <link:label xlink:type="resource" xlink:label="label_AccountsReceivableNetCurrent_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccountsReceivableNetCurrent_1" xml:lang="en-US" id="label_AccountsReceivableNetCurrent_1">Accounts Receivable, after Allowance for Credit Loss, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivableNetCurrent" xlink:to="label_AccountsReceivableNetCurrent_1" xlink:title="Label : AccountsReceivableNetCurrent to label_AccountsReceivableNetCurrent_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="PrepaidExpenseAndOtherAssetsCurrent" xlink:title="PrepaidExpenseAndOtherAssetsCurrent" />
    <link:label xlink:type="resource" xlink:label="label_PrepaidExpenseAndOtherAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PrepaidExpenseAndOtherAssetsCurrent" xml:lang="en-US" id="label_PrepaidExpenseAndOtherAssetsCurrent">Prepaid and Other Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpenseAndOtherAssetsCurrent" xlink:to="label_PrepaidExpenseAndOtherAssetsCurrent" xlink:title="Label : PrepaidExpenseAndOtherAssetsCurrent to label_PrepaidExpenseAndOtherAssetsCurrent" />
    <link:label xlink:type="resource" xlink:label="label_PrepaidExpenseAndOtherAssetsCurrent_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PrepaidExpenseAndOtherAssetsCurrent_1" xml:lang="en-US" id="label_PrepaidExpenseAndOtherAssetsCurrent_1">Prepaid Expense and Other Assets, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpenseAndOtherAssetsCurrent" xlink:to="label_PrepaidExpenseAndOtherAssetsCurrent_1" xlink:title="Label : PrepaidExpenseAndOtherAssetsCurrent to label_PrepaidExpenseAndOtherAssetsCurrent_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermInvestments" xlink:label="ShortTermInvestments" xlink:title="ShortTermInvestments" />
    <link:label xlink:type="resource" xlink:label="label_ShortTermInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShortTermInvestments" xml:lang="en-US" id="label_ShortTermInvestments">Short-Term Investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShortTermInvestments" xlink:to="label_ShortTermInvestments" xlink:title="Label : ShortTermInvestments to label_ShortTermInvestments" />
    <link:label xlink:type="resource" xlink:label="label_ShortTermInvestments_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShortTermInvestments_1" xml:lang="en-US" id="label_ShortTermInvestments_1">Short-Term Investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShortTermInvestments" xlink:to="label_ShortTermInvestments_1" xlink:title="Label : ShortTermInvestments to label_ShortTermInvestments_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet" xlink:label="InventoryNet" xlink:title="InventoryNet" />
    <link:label xlink:type="resource" xlink:label="label_InventoryNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_InventoryNet" xml:lang="en-US" id="label_InventoryNet">Inventory</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryNet" xlink:to="label_InventoryNet" xlink:title="Label : InventoryNet to label_InventoryNet" />
    <link:label xlink:type="resource" xlink:label="label_InventoryNet_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_InventoryNet_1" xml:lang="en-US" id="label_InventoryNet_1">Inventory (Note 3)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryNet" xlink:to="label_InventoryNet_1" xlink:title="Label : InventoryNet to label_InventoryNet_1" />
    <link:label xlink:type="resource" xlink:label="label_InventoryNet_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_InventoryNet_2" xml:lang="en-US" id="label_InventoryNet_2">Inventory, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryNet" xlink:to="label_InventoryNet_2" xlink:title="Label : InventoryNet to label_InventoryNet_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent" xlink:label="AssetsCurrent" xlink:title="AssetsCurrent" />
    <link:label xlink:type="resource" xlink:label="label_AssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_AssetsCurrent" xml:lang="en-US" id="label_AssetsCurrent">Total Current Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrent" xlink:to="label_AssetsCurrent" xlink:title="Label : AssetsCurrent to label_AssetsCurrent" />
    <link:label xlink:type="resource" xlink:label="label_AssetsCurrent_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AssetsCurrent_1" xml:lang="en-US" id="label_AssetsCurrent_1">Assets, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrent" xlink:to="label_AssetsCurrent_1" xlink:title="Label : AssetsCurrent to label_AssetsCurrent_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsAbstract" xlink:label="OtherAssetsAbstract" xlink:title="OtherAssetsAbstract" />
    <link:label xlink:type="resource" xlink:label="label_OtherAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OtherAssetsAbstract" xml:lang="en-US" id="label_OtherAssetsAbstract">Other Assets:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsAbstract" xlink:to="label_OtherAssetsAbstract" xlink:title="Label : OtherAssetsAbstract to label_OtherAssetsAbstract" />
    <link:label xlink:type="resource" xlink:label="label_OtherAssetsAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherAssetsAbstract_1" xml:lang="en-US" id="label_OtherAssetsAbstract_1">Other Assets [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsAbstract" xlink:to="label_OtherAssetsAbstract_1" xlink:title="Label : OtherAssetsAbstract to label_OtherAssetsAbstract_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseNoncurrent" xlink:label="PrepaidExpenseNoncurrent" xlink:title="PrepaidExpenseNoncurrent" />
    <link:label xlink:type="resource" xlink:label="label_PrepaidExpenseNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PrepaidExpenseNoncurrent" xml:lang="en-US" id="label_PrepaidExpenseNoncurrent">Long-Term Prepaid Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpenseNoncurrent" xlink:to="label_PrepaidExpenseNoncurrent" xlink:title="Label : PrepaidExpenseNoncurrent to label_PrepaidExpenseNoncurrent" />
    <link:label xlink:type="resource" xlink:label="label_PrepaidExpenseNoncurrent_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_PrepaidExpenseNoncurrent_1" xml:lang="en-US" id="label_PrepaidExpenseNoncurrent_1">Long-term prepaid expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpenseNoncurrent" xlink:to="label_PrepaidExpenseNoncurrent_1" xlink:title="Label : PrepaidExpenseNoncurrent to label_PrepaidExpenseNoncurrent_1" />
    <link:label xlink:type="resource" xlink:label="label_PrepaidExpenseNoncurrent_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PrepaidExpenseNoncurrent_2" xml:lang="en-US" id="label_PrepaidExpenseNoncurrent_2">Prepaid Expense, Noncurrent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpenseNoncurrent" xlink:to="label_PrepaidExpenseNoncurrent_2" xlink:title="Label : PrepaidExpenseNoncurrent to label_PrepaidExpenseNoncurrent_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="IntangibleAssetsNetExcludingGoodwill" xlink:title="IntangibleAssetsNetExcludingGoodwill" />
    <link:label xlink:type="resource" xlink:label="label_IntangibleAssetsNetExcludingGoodwill" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_IntangibleAssetsNetExcludingGoodwill" xml:lang="en-US" id="label_IntangibleAssetsNetExcludingGoodwill">Intangible Assets, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IntangibleAssetsNetExcludingGoodwill" xlink:to="label_IntangibleAssetsNetExcludingGoodwill" xlink:title="Label : IntangibleAssetsNetExcludingGoodwill to label_IntangibleAssetsNetExcludingGoodwill" />
    <link:label xlink:type="resource" xlink:label="label_IntangibleAssetsNetExcludingGoodwill_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_IntangibleAssetsNetExcludingGoodwill_1" xml:lang="en-US" id="label_IntangibleAssetsNetExcludingGoodwill_1">Intangible Assets, net (Note 5)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IntangibleAssetsNetExcludingGoodwill" xlink:to="label_IntangibleAssetsNetExcludingGoodwill_1" xlink:title="Label : IntangibleAssetsNetExcludingGoodwill to label_IntangibleAssetsNetExcludingGoodwill_1" />
    <link:label xlink:type="resource" xlink:label="label_IntangibleAssetsNetExcludingGoodwill_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IntangibleAssetsNetExcludingGoodwill_2" xml:lang="en-US" id="label_IntangibleAssetsNetExcludingGoodwill_2">Intangible Assets, Net (Excluding Goodwill)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IntangibleAssetsNetExcludingGoodwill" xlink:to="label_IntangibleAssetsNetExcludingGoodwill_2" xlink:title="Label : IntangibleAssetsNetExcludingGoodwill to label_IntangibleAssetsNetExcludingGoodwill_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="OtherAssetsNoncurrent" xlink:title="OtherAssetsNoncurrent" />
    <link:label xlink:type="resource" xlink:label="label_OtherAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_OtherAssetsNoncurrent" xml:lang="en-US" id="label_OtherAssetsNoncurrent">Total Other Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsNoncurrent" xlink:to="label_OtherAssetsNoncurrent" xlink:title="Label : OtherAssetsNoncurrent to label_OtherAssetsNoncurrent" />
    <link:label xlink:type="resource" xlink:label="label_OtherAssetsNoncurrent_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherAssetsNoncurrent_1" xml:lang="en-US" id="label_OtherAssetsNoncurrent_1">Other Assets, Noncurrent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsNoncurrent" xlink:to="label_OtherAssetsNoncurrent_1" xlink:title="Label : OtherAssetsNoncurrent to label_OtherAssetsNoncurrent_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets" />
    <link:label xlink:type="resource" xlink:label="label_Assets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_Assets" xml:lang="en-US" id="label_Assets">Total Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Assets" xlink:to="label_Assets" xlink:title="Label : Assets to label_Assets" />
    <link:label xlink:type="resource" xlink:label="label_Assets_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_Assets_1" xml:lang="en-US" id="label_Assets_1">Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Assets" xlink:to="label_Assets_1" xlink:title="Label : Assets to label_Assets_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="LiabilitiesCurrentAbstract" xlink:title="LiabilitiesCurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LiabilitiesCurrentAbstract" xml:lang="en-US" id="label_LiabilitiesCurrentAbstract">Current Liabilities:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrentAbstract" xlink:to="label_LiabilitiesCurrentAbstract" xlink:title="Label : LiabilitiesCurrentAbstract to label_LiabilitiesCurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesCurrentAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LiabilitiesCurrentAbstract_1" xml:lang="en-US" id="label_LiabilitiesCurrentAbstract_1">Liabilities, Current [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrentAbstract" xlink:to="label_LiabilitiesCurrentAbstract_1" xlink:title="Label : LiabilitiesCurrentAbstract to label_LiabilitiesCurrentAbstract_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:title="AccountsPayableAndAccruedLiabilitiesCurrent" />
    <link:label xlink:type="resource" xlink:label="label_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AccountsPayableAndAccruedLiabilitiesCurrent" xml:lang="en-US" id="label_AccountsPayableAndAccruedLiabilitiesCurrent">Accounts Payable and Accrued Expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="label_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:title="Label : AccountsPayableAndAccruedLiabilitiesCurrent to label_AccountsPayableAndAccruedLiabilitiesCurrent" />
    <link:label xlink:type="resource" xlink:label="label_AccountsPayableAndAccruedLiabilitiesCurrent_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_AccountsPayableAndAccruedLiabilitiesCurrent_1" xml:lang="en-US" id="label_AccountsPayableAndAccruedLiabilitiesCurrent_1">Accounts payable and accrued expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="label_AccountsPayableAndAccruedLiabilitiesCurrent_1" xlink:title="Label : AccountsPayableAndAccruedLiabilitiesCurrent to label_AccountsPayableAndAccruedLiabilitiesCurrent_1" />
    <link:label xlink:type="resource" xlink:label="label_AccountsPayableAndAccruedLiabilitiesCurrent_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccountsPayableAndAccruedLiabilitiesCurrent_2" xml:lang="en-US" id="label_AccountsPayableAndAccruedLiabilitiesCurrent_2">Accounts Payable and Accrued Liabilities, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="label_AccountsPayableAndAccruedLiabilitiesCurrent_2" xlink:title="Label : AccountsPayableAndAccruedLiabilitiesCurrent to label_AccountsPayableAndAccruedLiabilitiesCurrent_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SBAEIDLincludingAccruedInterestCurrent" xlink:label="SBAEIDLincludingAccruedInterestCurrent" xlink:title="SBAEIDLincludingAccruedInterestCurrent" />
    <link:label xlink:type="resource" xlink:label="label_SBAEIDLincludingAccruedInterestCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SBAEIDLincludingAccruedInterestCurrent" xml:lang="en-US" id="label_SBAEIDLincludingAccruedInterestCurrent">SBA EIDL (including accrued interest) (Note 7)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SBAEIDLincludingAccruedInterestCurrent" xlink:to="label_SBAEIDLincludingAccruedInterestCurrent" xlink:title="Label : SBAEIDLincludingAccruedInterestCurrent to label_SBAEIDLincludingAccruedInterestCurrent" />
    <link:label xlink:type="resource" xlink:label="label_SBAEIDLincludingAccruedInterestCurrent_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_SBAEIDLincludingAccruedInterestCurrent_1" xml:lang="en-US" id="label_SBAEIDLincludingAccruedInterestCurrent_1">Company&#x2019;s debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SBAEIDLincludingAccruedInterestCurrent" xlink:to="label_SBAEIDLincludingAccruedInterestCurrent_1" xlink:title="Label : SBAEIDLincludingAccruedInterestCurrent to label_SBAEIDLincludingAccruedInterestCurrent_1" />
    <link:label xlink:type="resource" xlink:label="label_SBAEIDLincludingAccruedInterestCurrent_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SBAEIDLincludingAccruedInterestCurrent_2" xml:lang="en-US" id="label_SBAEIDLincludingAccruedInterestCurrent_2">Represents the amount of SBA EIDL including accrued interest payable.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SBAEIDLincludingAccruedInterestCurrent" xlink:to="label_SBAEIDLincludingAccruedInterestCurrent_2" xlink:title="Label : SBAEIDLincludingAccruedInterestCurrent to label_SBAEIDLincludingAccruedInterestCurrent_2" />
    <link:label xlink:type="resource" xlink:label="label_SBAEIDLincludingAccruedInterestCurrent_3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SBAEIDLincludingAccruedInterestCurrent_3" xml:lang="en-US" id="label_SBAEIDLincludingAccruedInterestCurrent_3">SBAEIDLincluding Accrued Interest Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SBAEIDLincludingAccruedInterestCurrent" xlink:to="label_SBAEIDLincludingAccruedInterestCurrent_3" xlink:title="Label : SBAEIDLincludingAccruedInterestCurrent to label_SBAEIDLincludingAccruedInterestCurrent_3" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="DerivativeLiabilitiesCurrent" xlink:title="DerivativeLiabilitiesCurrent" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="label_DerivativeLiabilitiesCurrent" xml:lang="en-US" id="label_DerivativeLiabilitiesCurrent">Beginning balance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLiabilitiesCurrent" xlink:to="label_DerivativeLiabilitiesCurrent" xlink:title="Label : DerivativeLiabilitiesCurrent to label_DerivativeLiabilitiesCurrent" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeLiabilitiesCurrent_1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_DerivativeLiabilitiesCurrent_1" xml:lang="en-US" id="label_DerivativeLiabilitiesCurrent_1">Ending balance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLiabilitiesCurrent" xlink:to="label_DerivativeLiabilitiesCurrent_1" xlink:title="Label : DerivativeLiabilitiesCurrent to label_DerivativeLiabilitiesCurrent_1" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeLiabilitiesCurrent_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DerivativeLiabilitiesCurrent_2" xml:lang="en-US" id="label_DerivativeLiabilitiesCurrent_2">Derivative Liabilities (Note 8)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLiabilitiesCurrent" xlink:to="label_DerivativeLiabilitiesCurrent_2" xlink:title="Label : DerivativeLiabilitiesCurrent to label_DerivativeLiabilitiesCurrent_2" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeLiabilitiesCurrent_3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_DerivativeLiabilitiesCurrent_3" xml:lang="en-US" id="label_DerivativeLiabilitiesCurrent_3">Total derivative liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLiabilitiesCurrent" xlink:to="label_DerivativeLiabilitiesCurrent_3" xlink:title="Label : DerivativeLiabilitiesCurrent to label_DerivativeLiabilitiesCurrent_3" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeLiabilitiesCurrent_4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeLiabilitiesCurrent_4" xml:lang="en-US" id="label_DerivativeLiabilitiesCurrent_4">Derivative Liability, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLiabilitiesCurrent" xlink:to="label_DerivativeLiabilitiesCurrent_4" xlink:title="Label : DerivativeLiabilitiesCurrent to label_DerivativeLiabilitiesCurrent_4" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent" xlink:label="LiabilitiesCurrent" xlink:title="LiabilitiesCurrent" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_LiabilitiesCurrent" xml:lang="en-US" id="label_LiabilitiesCurrent">Total Current Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrent" xlink:to="label_LiabilitiesCurrent" xlink:title="Label : LiabilitiesCurrent to label_LiabilitiesCurrent" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesCurrent_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LiabilitiesCurrent_1" xml:lang="en-US" id="label_LiabilitiesCurrent_1">Liabilities, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrent" xlink:to="label_LiabilitiesCurrent_1" xlink:title="Label : LiabilitiesCurrent to label_LiabilitiesCurrent_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="LiabilitiesNoncurrentAbstract" xlink:title="LiabilitiesNoncurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesNoncurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LiabilitiesNoncurrentAbstract" xml:lang="en-US" id="label_LiabilitiesNoncurrentAbstract">Long-Term Liabilities:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesNoncurrentAbstract" xlink:to="label_LiabilitiesNoncurrentAbstract" xlink:title="Label : LiabilitiesNoncurrentAbstract to label_LiabilitiesNoncurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesNoncurrentAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LiabilitiesNoncurrentAbstract_1" xml:lang="en-US" id="label_LiabilitiesNoncurrentAbstract_1">Liabilities, Noncurrent [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesNoncurrentAbstract" xlink:to="label_LiabilitiesNoncurrentAbstract_1" xlink:title="Label : LiabilitiesNoncurrentAbstract to label_LiabilitiesNoncurrentAbstract_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SBAEIDLincludingAccruedInterestNonCurrent" xlink:label="SBAEIDLincludingAccruedInterestNonCurrent" xlink:title="SBAEIDLincludingAccruedInterestNonCurrent" />
    <link:label xlink:type="resource" xlink:label="label_SBAEIDLincludingAccruedInterestNonCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SBAEIDLincludingAccruedInterestNonCurrent" xml:lang="en-US" id="label_SBAEIDLincludingAccruedInterestNonCurrent">SBA EIDL (including accrued interest) (Note 7)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SBAEIDLincludingAccruedInterestNonCurrent" xlink:to="label_SBAEIDLincludingAccruedInterestNonCurrent" xlink:title="Label : SBAEIDLincludingAccruedInterestNonCurrent to label_SBAEIDLincludingAccruedInterestNonCurrent" />
    <link:label xlink:type="resource" xlink:label="label_SBAEIDLincludingAccruedInterestNonCurrent_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SBAEIDLincludingAccruedInterestNonCurrent_1" xml:lang="en-US" id="label_SBAEIDLincludingAccruedInterestNonCurrent_1">Represents the amount of SBA EIDL including accrued interest long-term debt payable.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SBAEIDLincludingAccruedInterestNonCurrent" xlink:to="label_SBAEIDLincludingAccruedInterestNonCurrent_1" xlink:title="Label : SBAEIDLincludingAccruedInterestNonCurrent to label_SBAEIDLincludingAccruedInterestNonCurrent_1" />
    <link:label xlink:type="resource" xlink:label="label_SBAEIDLincludingAccruedInterestNonCurrent_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SBAEIDLincludingAccruedInterestNonCurrent_2" xml:lang="en-US" id="label_SBAEIDLincludingAccruedInterestNonCurrent_2">SBAEIDLincluding Accrued Interest Non Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SBAEIDLincludingAccruedInterestNonCurrent" xlink:to="label_SBAEIDLincludingAccruedInterestNonCurrent_2" xlink:title="Label : SBAEIDLincludingAccruedInterestNonCurrent to label_SBAEIDLincludingAccruedInterestNonCurrent_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="LiabilitiesNoncurrent" xlink:title="LiabilitiesNoncurrent" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_LiabilitiesNoncurrent" xml:lang="en-US" id="label_LiabilitiesNoncurrent">Total Long-Term Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesNoncurrent" xlink:to="label_LiabilitiesNoncurrent" xlink:title="Label : LiabilitiesNoncurrent to label_LiabilitiesNoncurrent" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesNoncurrent_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LiabilitiesNoncurrent_1" xml:lang="en-US" id="label_LiabilitiesNoncurrent_1">Long-Term Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesNoncurrent" xlink:to="label_LiabilitiesNoncurrent_1" xlink:title="Label : LiabilitiesNoncurrent to label_LiabilitiesNoncurrent_1" />
    <link:label xlink:type="resource" xlink:label="label_LiabilitiesNoncurrent_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LiabilitiesNoncurrent_2" xml:lang="en-US" id="label_LiabilitiesNoncurrent_2">Liabilities, Noncurrent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesNoncurrent" xlink:to="label_LiabilitiesNoncurrent_2" xlink:title="Label : LiabilitiesNoncurrent to label_LiabilitiesNoncurrent_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities" xlink:label="Liabilities" xlink:title="Liabilities" />
    <link:label xlink:type="resource" xlink:label="label_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_Liabilities" xml:lang="en-US" id="label_Liabilities">Total Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Liabilities" xlink:to="label_Liabilities" xlink:title="Label : Liabilities to label_Liabilities" />
    <link:label xlink:type="resource" xlink:label="label_Liabilities_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_Liabilities_1" xml:lang="en-US" id="label_Liabilities_1">Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Liabilities" xlink:to="label_Liabilities_1" xlink:title="Label : Liabilities to label_Liabilities_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="CommitmentsAndContingencies" xlink:title="CommitmentsAndContingencies" />
    <link:label xlink:type="resource" xlink:label="label_CommitmentsAndContingencies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CommitmentsAndContingencies" xml:lang="en-US" id="label_CommitmentsAndContingencies">Commitments and Contingencies (Note 11)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommitmentsAndContingencies" xlink:to="label_CommitmentsAndContingencies" xlink:title="Label : CommitmentsAndContingencies to label_CommitmentsAndContingencies" />
    <link:label xlink:type="resource" xlink:label="label_CommitmentsAndContingencies_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommitmentsAndContingencies_1" xml:lang="en-US" id="label_CommitmentsAndContingencies_1">Commitments and Contingencies</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommitmentsAndContingencies" xlink:to="label_CommitmentsAndContingencies_1" xlink:title="Label : CommitmentsAndContingencies to label_CommitmentsAndContingencies_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <link:label xlink:type="resource" xlink:label="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US" id="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax">Accumulated Other Comprehensive Income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="Label : AccumulatedOtherComprehensiveIncomeLossNetOfTax to label_AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <link:label xlink:type="resource" xlink:label="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1" xml:lang="en-US" id="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="label_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1" xlink:title="Label : AccumulatedOtherComprehensiveIncomeLossNetOfTax to label_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="RetainedEarningsAccumulatedDeficit" xlink:title="RetainedEarningsAccumulatedDeficit" />
    <link:label xlink:type="resource" xlink:label="label_RetainedEarningsAccumulatedDeficit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_RetainedEarningsAccumulatedDeficit" xml:lang="en-US" id="label_RetainedEarningsAccumulatedDeficit">Accumulated Deficit</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsAccumulatedDeficit" xlink:to="label_RetainedEarningsAccumulatedDeficit" xlink:title="Label : RetainedEarningsAccumulatedDeficit to label_RetainedEarningsAccumulatedDeficit" />
    <link:label xlink:type="resource" xlink:label="label_RetainedEarningsAccumulatedDeficit_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RetainedEarningsAccumulatedDeficit_1" xml:lang="en-US" id="label_RetainedEarningsAccumulatedDeficit_1">Retained Earnings (Accumulated Deficit)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsAccumulatedDeficit" xlink:to="label_RetainedEarningsAccumulatedDeficit_1" xlink:title="Label : RetainedEarningsAccumulatedDeficit to label_RetainedEarningsAccumulatedDeficit_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity" xlink:label="StockholdersEquity" xlink:title="StockholdersEquity" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_StockholdersEquity" xml:lang="en-US" id="label_StockholdersEquity">60P Shareholders&#x2019; Equity:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquity" xlink:to="label_StockholdersEquity" xlink:title="Label : StockholdersEquity to label_StockholdersEquity" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquity_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockholdersEquity_1" xml:lang="en-US" id="label_StockholdersEquity_1">Equity, Attributable to Parent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquity" xlink:to="label_StockholdersEquity_1" xlink:title="Label : StockholdersEquity to label_StockholdersEquity_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterest" xlink:label="MinorityInterest" xlink:title="MinorityInterest" />
    <link:label xlink:type="resource" xlink:label="label_MinorityInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_MinorityInterest" xml:lang="en-US" id="label_MinorityInterest">Noncontrolling Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MinorityInterest" xlink:to="label_MinorityInterest" xlink:title="Label : MinorityInterest to label_MinorityInterest" />
    <link:label xlink:type="resource" xlink:label="label_MinorityInterest_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_MinorityInterest_1" xml:lang="en-US" id="label_MinorityInterest_1">Equity, Attributable to Noncontrolling Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MinorityInterest" xlink:to="label_MinorityInterest_1" xlink:title="Label : MinorityInterest to label_MinorityInterest_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable" xlink:label="StatementTable" xlink:title="StatementTable" />
    <link:label xlink:type="resource" xlink:label="label_StatementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StatementTable" xml:lang="en-US" id="label_StatementTable">Statement [Table]</link:label>
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    <link:label xlink:type="resource" xlink:label="label_SeriesAPreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SeriesAPreferredStockMember" xml:lang="en-US" id="label_SeriesAPreferredStockMember">Series A Preferred Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesAPreferredStockMember" xlink:to="label_SeriesAPreferredStockMember" xlink:title="Label : SeriesAPreferredStockMember to label_SeriesAPreferredStockMember" />
    <link:label xlink:type="resource" xlink:label="label_SeriesAPreferredStockMember_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_SeriesAPreferredStockMember_1" xml:lang="en-US" id="label_SeriesAPreferredStockMember_1">Series A</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesAPreferredStockMember" xlink:to="label_SeriesAPreferredStockMember_1" xlink:title="Label : SeriesAPreferredStockMember to label_SeriesAPreferredStockMember_1" />
    <link:label xlink:type="resource" xlink:label="label_SeriesAPreferredStockMember_2" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:title="label_SeriesAPreferredStockMember_2" xml:lang="en-US" id="label_SeriesAPreferredStockMember_2">Series A Preferred Stock [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesAPreferredStockMember" xlink:to="label_SeriesAPreferredStockMember_2" xlink:title="Label : SeriesAPreferredStockMember to label_SeriesAPreferredStockMember_2" />
    <link:label xlink:type="resource" xlink:label="label_SeriesAPreferredStockMember_3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SeriesAPreferredStockMember_3" xml:lang="en-US" id="label_SeriesAPreferredStockMember_3">Series A Preferred Stock [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesAPreferredStockMember" xlink:to="label_SeriesAPreferredStockMember_3" xlink:title="Label : SeriesAPreferredStockMember to label_SeriesAPreferredStockMember_3" />
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    <link:label xlink:type="resource" xlink:label="label_StatementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StatementLineItems" xml:lang="en-US" id="label_StatementLineItems">Statement [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementLineItems" xlink:to="label_StatementLineItems" xlink:title="Label : StatementLineItems to label_StatementLineItems" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="PreferredStockSharesAuthorized" xlink:title="PreferredStockSharesAuthorized" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PreferredStockSharesAuthorized" xml:lang="en-US" id="label_PreferredStockSharesAuthorized">Preferred stock, shares authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesAuthorized" xlink:to="label_PreferredStockSharesAuthorized" xlink:title="Label : PreferredStockSharesAuthorized to label_PreferredStockSharesAuthorized" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockSharesAuthorized_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_PreferredStockSharesAuthorized_1" xml:lang="en-US" id="label_PreferredStockSharesAuthorized_1">Preferred stock shares authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesAuthorized" xlink:to="label_PreferredStockSharesAuthorized_1" xlink:title="Label : PreferredStockSharesAuthorized to label_PreferredStockSharesAuthorized_1" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockSharesAuthorized_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PreferredStockSharesAuthorized_2" xml:lang="en-US" id="label_PreferredStockSharesAuthorized_2">Preferred Stock, Shares Authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesAuthorized" xlink:to="label_PreferredStockSharesAuthorized_2" xlink:title="Label : PreferredStockSharesAuthorized to label_PreferredStockSharesAuthorized_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="PreferredStockSharesIssued" xlink:title="PreferredStockSharesIssued" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PreferredStockSharesIssued" xml:lang="en-US" id="label_PreferredStockSharesIssued">Preferred stock, shares issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesIssued" xlink:to="label_PreferredStockSharesIssued" xlink:title="Label : PreferredStockSharesIssued to label_PreferredStockSharesIssued" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockSharesIssued_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_PreferredStockSharesIssued_1" xml:lang="en-US" id="label_PreferredStockSharesIssued_1">Preferred stock shares issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesIssued" xlink:to="label_PreferredStockSharesIssued_1" xlink:title="Label : PreferredStockSharesIssued to label_PreferredStockSharesIssued_1" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockSharesIssued_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PreferredStockSharesIssued_2" xml:lang="en-US" id="label_PreferredStockSharesIssued_2">Preferred Stock, Shares Issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesIssued" xlink:to="label_PreferredStockSharesIssued_2" xlink:title="Label : PreferredStockSharesIssued to label_PreferredStockSharesIssued_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="PreferredStockSharesOutstanding" xlink:title="PreferredStockSharesOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PreferredStockSharesOutstanding" xml:lang="en-US" id="label_PreferredStockSharesOutstanding">Preferred stock, shares outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesOutstanding" xlink:to="label_PreferredStockSharesOutstanding" xlink:title="Label : PreferredStockSharesOutstanding to label_PreferredStockSharesOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockSharesOutstanding_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_PreferredStockSharesOutstanding_1" xml:lang="en-US" id="label_PreferredStockSharesOutstanding_1">Preferred stock shares outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesOutstanding" xlink:to="label_PreferredStockSharesOutstanding_1" xlink:title="Label : PreferredStockSharesOutstanding to label_PreferredStockSharesOutstanding_1" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockSharesOutstanding_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PreferredStockSharesOutstanding_2" xml:lang="en-US" id="label_PreferredStockSharesOutstanding_2">Preferred Stock, Shares Outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesOutstanding" xlink:to="label_PreferredStockSharesOutstanding_2" xlink:title="Label : PreferredStockSharesOutstanding to label_PreferredStockSharesOutstanding_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="CommonStockSharesAuthorized" xlink:title="CommonStockSharesAuthorized" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CommonStockSharesAuthorized" xml:lang="en-US" id="label_CommonStockSharesAuthorized">Common stock, shares authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesAuthorized" xlink:to="label_CommonStockSharesAuthorized" xlink:title="Label : CommonStockSharesAuthorized to label_CommonStockSharesAuthorized" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockSharesAuthorized_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_CommonStockSharesAuthorized_1" xml:lang="en-US" id="label_CommonStockSharesAuthorized_1">Common stock shares authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesAuthorized" xlink:to="label_CommonStockSharesAuthorized_1" xlink:title="Label : CommonStockSharesAuthorized to label_CommonStockSharesAuthorized_1" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockSharesAuthorized_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommonStockSharesAuthorized_2" xml:lang="en-US" id="label_CommonStockSharesAuthorized_2">Common Stock, Shares Authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesAuthorized" xlink:to="label_CommonStockSharesAuthorized_2" xlink:title="Label : CommonStockSharesAuthorized to label_CommonStockSharesAuthorized_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesIssued" xlink:label="CommonStockSharesIssued" xlink:title="CommonStockSharesIssued" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CommonStockSharesIssued" xml:lang="en-US" id="label_CommonStockSharesIssued">Common stock, shares issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesIssued" xlink:to="label_CommonStockSharesIssued" xlink:title="Label : CommonStockSharesIssued to label_CommonStockSharesIssued" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockSharesIssued_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommonStockSharesIssued_1" xml:lang="en-US" id="label_CommonStockSharesIssued_1">Common Stock, Shares, Issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesIssued" xlink:to="label_CommonStockSharesIssued_1" xlink:title="Label : CommonStockSharesIssued to label_CommonStockSharesIssued_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="CommonStockSharesOutstanding" xlink:title="CommonStockSharesOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CommonStockSharesOutstanding" xml:lang="en-US" id="label_CommonStockSharesOutstanding">Common stock, shares outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesOutstanding" xlink:to="label_CommonStockSharesOutstanding" xlink:title="Label : CommonStockSharesOutstanding to label_CommonStockSharesOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockSharesOutstanding_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_CommonStockSharesOutstanding_1" xml:lang="en-US" id="label_CommonStockSharesOutstanding_1">Common stock outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesOutstanding" xlink:to="label_CommonStockSharesOutstanding_1" xlink:title="Label : CommonStockSharesOutstanding to label_CommonStockSharesOutstanding_1" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockSharesOutstanding_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommonStockSharesOutstanding_2" xml:lang="en-US" id="label_CommonStockSharesOutstanding_2">Common Stock, Shares, Outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesOutstanding" xlink:to="label_CommonStockSharesOutstanding_2" xlink:title="Label : CommonStockSharesOutstanding to label_CommonStockSharesOutstanding_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementAbstract" xlink:label="IncomeStatementAbstract" xlink:title="IncomeStatementAbstract" />
    <link:label xlink:type="resource" xlink:label="label_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IncomeStatementAbstract" xml:lang="en-US" id="label_IncomeStatementAbstract">Income Statement [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeStatementAbstract" xlink:to="label_IncomeStatementAbstract" xlink:title="Label : IncomeStatementAbstract to label_IncomeStatementAbstract" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfRevenue" xlink:label="CostOfRevenue" xlink:title="CostOfRevenue" />
    <link:label xlink:type="resource" xlink:label="label_CostOfRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CostOfRevenue" xml:lang="en-US" id="label_CostOfRevenue">Cost of Revenues</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CostOfRevenue" xlink:to="label_CostOfRevenue" xlink:title="Label : CostOfRevenue to label_CostOfRevenue" />
    <link:label xlink:type="resource" xlink:label="label_CostOfRevenue_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CostOfRevenue_1" xml:lang="en-US" id="label_CostOfRevenue_1">Cost of Revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CostOfRevenue" xlink:to="label_CostOfRevenue_1" xlink:title="Label : CostOfRevenue to label_CostOfRevenue_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueNotFromContractWithCustomerOther" xlink:label="RevenueNotFromContractWithCustomerOther" xlink:title="RevenueNotFromContractWithCustomerOther" />
    <link:label xlink:type="resource" xlink:label="label_RevenueNotFromContractWithCustomerOther" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_RevenueNotFromContractWithCustomerOther" xml:lang="en-US" id="label_RevenueNotFromContractWithCustomerOther">Research Revenues</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueNotFromContractWithCustomerOther" xlink:to="label_RevenueNotFromContractWithCustomerOther" xlink:title="Label : RevenueNotFromContractWithCustomerOther to label_RevenueNotFromContractWithCustomerOther" />
    <link:label xlink:type="resource" xlink:label="label_RevenueNotFromContractWithCustomerOther_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RevenueNotFromContractWithCustomerOther_1" xml:lang="en-US" id="label_RevenueNotFromContractWithCustomerOther_1">Revenue Not from Contract with Customer, Other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueNotFromContractWithCustomerOther" xlink:to="label_RevenueNotFromContractWithCustomerOther_1" xlink:title="Label : RevenueNotFromContractWithCustomerOther to label_RevenueNotFromContractWithCustomerOther_1" />
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    <link:label xlink:type="resource" xlink:label="label_OperatingExpensesAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OperatingExpensesAbstract_1" xml:lang="en-US" id="label_OperatingExpensesAbstract_1">Operating Expenses [Abstract]</link:label>
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    <link:label xlink:type="resource" xlink:label="label_GeneralAndAdministrativeExpense_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GeneralAndAdministrativeExpense_1" xml:lang="en-US" id="label_GeneralAndAdministrativeExpense_1">General and Administrative Expense</link:label>
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    <link:label xlink:type="resource" xlink:label="label_OperatingExpenses_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OperatingExpenses_1" xml:lang="en-US" id="label_OperatingExpenses_1">Operating Expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingExpenses" xlink:to="label_OperatingExpenses_1" xlink:title="Label : OperatingExpenses to label_OperatingExpenses_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss" />
    <link:label xlink:type="resource" xlink:label="label_OperatingIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_OperatingIncomeLoss" xml:lang="en-US" id="label_OperatingIncomeLoss">Loss from Operations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingIncomeLoss" xlink:to="label_OperatingIncomeLoss" xlink:title="Label : OperatingIncomeLoss to label_OperatingIncomeLoss" />
    <link:label xlink:type="resource" xlink:label="label_OperatingIncomeLoss_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OperatingIncomeLoss_1" xml:lang="en-US" id="label_OperatingIncomeLoss_1">Operating Income (Loss)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingIncomeLoss" xlink:to="label_OperatingIncomeLoss_1" xlink:title="Label : OperatingIncomeLoss to label_OperatingIncomeLoss_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseNonoperating" xlink:label="InterestExpenseNonoperating" xlink:title="InterestExpenseNonoperating" />
    <link:label xlink:type="resource" xlink:label="label_InterestExpenseNonoperating" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_InterestExpenseNonoperating" xml:lang="en-US" id="label_InterestExpenseNonoperating">Interest Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestExpenseNonoperating" xlink:to="label_InterestExpenseNonoperating" xlink:title="Label : InterestExpenseNonoperating to label_InterestExpenseNonoperating" />
    <link:label xlink:type="resource" xlink:label="label_InterestExpenseNonoperating_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_InterestExpenseNonoperating_1" xml:lang="en-US" id="label_InterestExpenseNonoperating_1">Interest Expense, Nonoperating</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestExpenseNonoperating" xlink:to="label_InterestExpenseNonoperating_1" xlink:title="Label : InterestExpenseNonoperating to label_InterestExpenseNonoperating_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAdjustmentOfWarrants" xlink:label="FairValueAdjustmentOfWarrants" xlink:title="FairValueAdjustmentOfWarrants" />
    <link:label xlink:type="resource" xlink:label="label_FairValueAdjustmentOfWarrants" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_FairValueAdjustmentOfWarrants" xml:lang="en-US" id="label_FairValueAdjustmentOfWarrants">Change in Fair Value of Derivative Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAdjustmentOfWarrants" xlink:to="label_FairValueAdjustmentOfWarrants" xlink:title="Label : FairValueAdjustmentOfWarrants to label_FairValueAdjustmentOfWarrants" />
    <link:label xlink:type="resource" xlink:label="label_FairValueAdjustmentOfWarrants_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueAdjustmentOfWarrants_1" xml:lang="en-US" id="label_FairValueAdjustmentOfWarrants_1">Fair Value Adjustment of Warrants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAdjustmentOfWarrants" xlink:to="label_FairValueAdjustmentOfWarrants_1" xlink:title="Label : FairValueAdjustmentOfWarrants to label_FairValueAdjustmentOfWarrants_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="OtherNonoperatingIncomeExpense" xlink:title="OtherNonoperatingIncomeExpense" />
    <link:label xlink:type="resource" xlink:label="label_OtherNonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OtherNonoperatingIncomeExpense" xml:lang="en-US" id="label_OtherNonoperatingIncomeExpense">Other Income, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNonoperatingIncomeExpense" xlink:to="label_OtherNonoperatingIncomeExpense" xlink:title="Label : OtherNonoperatingIncomeExpense to label_OtherNonoperatingIncomeExpense" />
    <link:label xlink:type="resource" xlink:label="label_OtherNonoperatingIncomeExpense_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherNonoperatingIncomeExpense_1" xml:lang="en-US" id="label_OtherNonoperatingIncomeExpense_1">Other Nonoperating Income (Expense)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNonoperatingIncomeExpense" xlink:to="label_OtherNonoperatingIncomeExpense_1" xlink:title="Label : OtherNonoperatingIncomeExpense to label_OtherNonoperatingIncomeExpense_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:title="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" />
    <link:label xlink:type="resource" xlink:label="label_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xml:lang="en-US" id="label_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest">Net Loss &#x2013; Noncontrolling Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:to="label_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:title="Label : ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest to label_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" />
    <link:label xlink:type="resource" xlink:label="label_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_1" xml:lang="en-US" id="label_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_1">Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:to="label_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_1" xlink:title="Label : ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest to label_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockDividendsAndOtherAdjustments" xlink:label="PreferredStockDividendsAndOtherAdjustments" xlink:title="PreferredStockDividendsAndOtherAdjustments" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockDividendsAndOtherAdjustments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_PreferredStockDividendsAndOtherAdjustments" xml:lang="en-US" id="label_PreferredStockDividendsAndOtherAdjustments">Cumulative Dividends on Series A Preferred Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockDividendsAndOtherAdjustments" xlink:to="label_PreferredStockDividendsAndOtherAdjustments" xlink:title="Label : PreferredStockDividendsAndOtherAdjustments to label_PreferredStockDividendsAndOtherAdjustments" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockDividendsAndOtherAdjustments_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PreferredStockDividendsAndOtherAdjustments_1" xml:lang="en-US" id="label_PreferredStockDividendsAndOtherAdjustments_1">Preferred Stock Dividends and Other Adjustments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockDividendsAndOtherAdjustments" xlink:to="label_PreferredStockDividendsAndOtherAdjustments_1" xlink:title="Label : PreferredStockDividendsAndOtherAdjustments to label_PreferredStockDividendsAndOtherAdjustments_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareBasic" xlink:label="EarningsPerShareBasic" xlink:title="EarningsPerShareBasic" />
    <link:label xlink:type="resource" xlink:label="label_EarningsPerShareBasic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_EarningsPerShareBasic" xml:lang="en-US" id="label_EarningsPerShareBasic">Basic (in Dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareBasic" xlink:to="label_EarningsPerShareBasic" xlink:title="Label : EarningsPerShareBasic to label_EarningsPerShareBasic" />
    <link:label xlink:type="resource" xlink:label="label_EarningsPerShareBasic_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EarningsPerShareBasic_1" xml:lang="en-US" id="label_EarningsPerShareBasic_1">Earnings Per Share, Basic</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareBasic" xlink:to="label_EarningsPerShareBasic_1" xlink:title="Label : EarningsPerShareBasic to label_EarningsPerShareBasic_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="EarningsPerShareDiluted" xlink:title="EarningsPerShareDiluted" />
    <link:label xlink:type="resource" xlink:label="label_EarningsPerShareDiluted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_EarningsPerShareDiluted" xml:lang="en-US" id="label_EarningsPerShareDiluted">Diluted (in Dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareDiluted" xlink:to="label_EarningsPerShareDiluted" xlink:title="Label : EarningsPerShareDiluted to label_EarningsPerShareDiluted" />
    <link:label xlink:type="resource" xlink:label="label_EarningsPerShareDiluted_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EarningsPerShareDiluted_1" xml:lang="en-US" id="label_EarningsPerShareDiluted_1">Earnings Per Share, Diluted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareDiluted" xlink:to="label_EarningsPerShareDiluted_1" xlink:title="Label : EarningsPerShareDiluted to label_EarningsPerShareDiluted_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="WeightedAverageNumberOfSharesOutstandingBasic" />
    <link:label xlink:type="resource" xlink:label="label_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US" id="label_WeightedAverageNumberOfSharesOutstandingBasic">Basic (in Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="label_WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="Label : WeightedAverageNumberOfSharesOutstandingBasic to label_WeightedAverageNumberOfSharesOutstandingBasic" />
    <link:label xlink:type="resource" xlink:label="label_WeightedAverageNumberOfSharesOutstandingBasic_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_WeightedAverageNumberOfSharesOutstandingBasic_1" xml:lang="en-US" id="label_WeightedAverageNumberOfSharesOutstandingBasic_1">Weighted Average Number of Shares Outstanding, Basic</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="label_WeightedAverageNumberOfSharesOutstandingBasic_1" xlink:title="Label : WeightedAverageNumberOfSharesOutstandingBasic to label_WeightedAverageNumberOfSharesOutstandingBasic_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="WeightedAverageNumberOfDilutedSharesOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US" id="label_WeightedAverageNumberOfDilutedSharesOutstanding">Diluted (in Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="label_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="Label : WeightedAverageNumberOfDilutedSharesOutstanding to label_WeightedAverageNumberOfDilutedSharesOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_WeightedAverageNumberOfDilutedSharesOutstanding_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_WeightedAverageNumberOfDilutedSharesOutstanding_1" xml:lang="en-US" id="label_WeightedAverageNumberOfDilutedSharesOutstanding_1">Weighted Average Number of Shares Outstanding, Diluted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="label_WeightedAverageNumberOfDilutedSharesOutstanding_1" xlink:title="Label : WeightedAverageNumberOfDilutedSharesOutstanding to label_WeightedAverageNumberOfDilutedSharesOutstanding_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="StatementOfStockholdersEquityAbstract" xlink:title="StatementOfStockholdersEquityAbstract" />
    <link:label xlink:type="resource" xlink:label="label_StatementOfStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StatementOfStockholdersEquityAbstract" xml:lang="en-US" id="label_StatementOfStockholdersEquityAbstract">Statement of Stockholders' Equity [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementOfStockholdersEquityAbstract" xlink:to="label_StatementOfStockholdersEquityAbstract" xlink:title="Label : StatementOfStockholdersEquityAbstract to label_StatementOfStockholdersEquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="StatementEquityComponentsAxis" xlink:title="StatementEquityComponentsAxis" />
    <link:label xlink:type="resource" xlink:label="label_StatementEquityComponentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StatementEquityComponentsAxis" xml:lang="en-US" id="label_StatementEquityComponentsAxis">Equity Components [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementEquityComponentsAxis" xlink:to="label_StatementEquityComponentsAxis" xlink:title="Label : StatementEquityComponentsAxis to label_StatementEquityComponentsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockMember" xlink:label="PreferredStockMember" xlink:title="PreferredStockMember" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PreferredStockMember" xml:lang="en-US" id="label_PreferredStockMember">Preferred Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockMember" xlink:to="label_PreferredStockMember" xlink:title="Label : PreferredStockMember to label_PreferredStockMember" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PreferredStockMember_1" xml:lang="en-US" id="label_PreferredStockMember_1">Preferred Stock [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockMember" xlink:to="label_PreferredStockMember_1" xlink:title="Label : PreferredStockMember to label_PreferredStockMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="AdditionalPaidInCapitalMember" xlink:title="AdditionalPaidInCapitalMember" />
    <link:label xlink:type="resource" xlink:label="label_AdditionalPaidInCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AdditionalPaidInCapitalMember" xml:lang="en-US" id="label_AdditionalPaidInCapitalMember">Additional Paid-In Capital</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdditionalPaidInCapitalMember" xlink:to="label_AdditionalPaidInCapitalMember" xlink:title="Label : AdditionalPaidInCapitalMember to label_AdditionalPaidInCapitalMember" />
    <link:label xlink:type="resource" xlink:label="label_AdditionalPaidInCapitalMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AdditionalPaidInCapitalMember_1" xml:lang="en-US" id="label_AdditionalPaidInCapitalMember_1">Additional Paid-in Capital [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdditionalPaidInCapitalMember" xlink:to="label_AdditionalPaidInCapitalMember_1" xlink:title="Label : AdditionalPaidInCapitalMember to label_AdditionalPaidInCapitalMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsUnappropriatedMember" xlink:label="RetainedEarningsUnappropriatedMember" xlink:title="RetainedEarningsUnappropriatedMember" />
    <link:label xlink:type="resource" xlink:label="label_RetainedEarningsUnappropriatedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_RetainedEarningsUnappropriatedMember" xml:lang="en-US" id="label_RetainedEarningsUnappropriatedMember">Accumulated Deficit</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsUnappropriatedMember" xlink:to="label_RetainedEarningsUnappropriatedMember" xlink:title="Label : RetainedEarningsUnappropriatedMember to label_RetainedEarningsUnappropriatedMember" />
    <link:label xlink:type="resource" xlink:label="label_RetainedEarningsUnappropriatedMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RetainedEarningsUnappropriatedMember_1" xml:lang="en-US" id="label_RetainedEarningsUnappropriatedMember_1">Retained Earnings, Unappropriated [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsUnappropriatedMember" xlink:to="label_RetainedEarningsUnappropriatedMember_1" xlink:title="Label : RetainedEarningsUnappropriatedMember to label_RetainedEarningsUnappropriatedMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="AccumulatedOtherComprehensiveIncomeMember" xlink:title="AccumulatedOtherComprehensiveIncomeMember" />
    <link:label xlink:type="resource" xlink:label="label_AccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US" id="label_AccumulatedOtherComprehensiveIncomeMember">Accumulated Other Comprehensive Income (Loss)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccumulatedOtherComprehensiveIncomeMember" xlink:to="label_AccumulatedOtherComprehensiveIncomeMember" xlink:title="Label : AccumulatedOtherComprehensiveIncomeMember to label_AccumulatedOtherComprehensiveIncomeMember" />
    <link:label xlink:type="resource" xlink:label="label_AccumulatedOtherComprehensiveIncomeMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccumulatedOtherComprehensiveIncomeMember_1" xml:lang="en-US" id="label_AccumulatedOtherComprehensiveIncomeMember_1">AOCI Attributable to Parent [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccumulatedOtherComprehensiveIncomeMember" xlink:to="label_AccumulatedOtherComprehensiveIncomeMember_1" xlink:title="Label : AccumulatedOtherComprehensiveIncomeMember to label_AccumulatedOtherComprehensiveIncomeMember_1" />
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    <link:label xlink:type="resource" xlink:label="label_StockIssuedDuringPeriodValueIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxes_3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockIssuedDuringPeriodValueIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxes_3" xml:lang="en-US" id="label_StockIssuedDuringPeriodValueIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxes_3">Stock Issued During Period Value Issuance Of Shares For Annual Performance Bonuses Net Of Shares Withheld For Taxes</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition" xlink:label="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition" xlink:title="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="StatementOfCashFlowsAbstract" xlink:title="StatementOfCashFlowsAbstract" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdjustmentForAmortization" xlink:label="AdjustmentForAmortization" xlink:title="AdjustmentForAmortization" />
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    <link:label xlink:type="resource" xlink:label="label_AdjustmentForAmortization_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AdjustmentForAmortization_1" xml:lang="en-US" id="label_AdjustmentForAmortization_1">Amortization</link:label>
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    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_AmortizationOfCapitalizedShareBasedPayments" xlink:label="AmortizationOfCapitalizedShareBasedPayments" xlink:title="AmortizationOfCapitalizedShareBasedPayments" />
    <link:label xlink:type="resource" xlink:label="label_AmortizationOfCapitalizedShareBasedPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AmortizationOfCapitalizedShareBasedPayments" xml:lang="en-US" id="label_AmortizationOfCapitalizedShareBasedPayments">Amortization of Capitalized Share-Based Payments</link:label>
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    <link:label xlink:type="resource" xlink:label="label_AmortizationOfCapitalizedShareBasedPayments_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_AmortizationOfCapitalizedShareBasedPayments_1" xml:lang="en-US" id="label_AmortizationOfCapitalizedShareBasedPayments_1">Amount of amortization of capitalized share-based payments.</link:label>
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    <link:label xlink:type="resource" xlink:label="label_IncreaseDecreaseInOperatingCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US" id="label_IncreaseDecreaseInOperatingCapitalAbstract">Changes in Operating Assets and Liabilities:</link:label>
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    <link:label xlink:type="resource" xlink:label="label_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xml:lang="en-US" id="label_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities">Accounts Payable and Accrued Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="label_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:title="Label : IncreaseDecreaseInAccountsPayableAndAccruedLiabilities to label_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" />
    <link:label xlink:type="resource" xlink:label="label_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_1" xml:lang="en-US" id="label_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_1">Increase (Decrease) in Accounts Payable and Accrued Liabilities</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet" xlink:label="IncreaseDecreaseInAccruedInterestReceivableNet" xlink:title="IncreaseDecreaseInAccruedInterestReceivableNet" />
    <link:label xlink:type="resource" xlink:label="label_IncreaseDecreaseInAccruedInterestReceivableNet" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_IncreaseDecreaseInAccruedInterestReceivableNet" xml:lang="en-US" id="label_IncreaseDecreaseInAccruedInterestReceivableNet">Accrued Interest, net</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="NetCashProvidedByUsedInOperatingActivities" xlink:title="NetCashProvidedByUsedInOperatingActivities" />
    <link:label xlink:type="resource" xlink:label="label_NetCashProvidedByUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US" id="label_NetCashProvidedByUsedInOperatingActivities">Net Cash Used in Operating Activities</link:label>
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    <link:label xlink:type="resource" xlink:label="label_NetCashProvidedByUsedInOperatingActivities_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NetCashProvidedByUsedInOperatingActivities_1" xml:lang="en-US" id="label_NetCashProvidedByUsedInOperatingActivities_1">Net cash used in operating activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="label_NetCashProvidedByUsedInOperatingActivities_1" xlink:title="Label : NetCashProvidedByUsedInOperatingActivities to label_NetCashProvidedByUsedInOperatingActivities_1" />
    <link:label xlink:type="resource" xlink:label="label_NetCashProvidedByUsedInOperatingActivities_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NetCashProvidedByUsedInOperatingActivities_2" xml:lang="en-US" id="label_NetCashProvidedByUsedInOperatingActivities_2">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="label_NetCashProvidedByUsedInOperatingActivities_2" xlink:title="Label : NetCashProvidedByUsedInOperatingActivities to label_NetCashProvidedByUsedInOperatingActivities_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US" id="label_NetCashProvidedByUsedInInvestingActivitiesAbstract">CASH FLOWS FROM INVESTING ACTIVITIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="label_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="Label : NetCashProvidedByUsedInInvestingActivitiesAbstract to label_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_NetCashProvidedByUsedInInvestingActivitiesAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NetCashProvidedByUsedInInvestingActivitiesAbstract_1" xml:lang="en-US" id="label_NetCashProvidedByUsedInInvestingActivitiesAbstract_1">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="label_NetCashProvidedByUsedInInvestingActivitiesAbstract_1" xlink:title="Label : NetCashProvidedByUsedInInvestingActivitiesAbstract to label_NetCashProvidedByUsedInInvestingActivitiesAbstract_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_PaymentOfCapitalizationOfPatents" xlink:label="PaymentOfCapitalizationOfPatents" xlink:title="PaymentOfCapitalizationOfPatents" />
    <link:label xlink:type="resource" xlink:label="label_PaymentOfCapitalizationOfPatents" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_PaymentOfCapitalizationOfPatents" xml:lang="en-US" id="label_PaymentOfCapitalizationOfPatents">Capitalization of Patents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentOfCapitalizationOfPatents" xlink:to="label_PaymentOfCapitalizationOfPatents" xlink:title="Label : PaymentOfCapitalizationOfPatents to label_PaymentOfCapitalizationOfPatents" />
    <link:label xlink:type="resource" xlink:label="label_PaymentOfCapitalizationOfPatents_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_PaymentOfCapitalizationOfPatents_1" xml:lang="en-US" id="label_PaymentOfCapitalizationOfPatents_1">The cash outflow to acquire an asset without physical form usually arising from contractual or other legal rights, excluding goodwill.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentOfCapitalizationOfPatents" xlink:to="label_PaymentOfCapitalizationOfPatents_1" xlink:title="Label : PaymentOfCapitalizationOfPatents to label_PaymentOfCapitalizationOfPatents_1" />
    <link:label xlink:type="resource" xlink:label="label_PaymentOfCapitalizationOfPatents_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PaymentOfCapitalizationOfPatents_2" xml:lang="en-US" id="label_PaymentOfCapitalizationOfPatents_2">Payment Of Capitalization Of Patents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentOfCapitalizationOfPatents" xlink:to="label_PaymentOfCapitalizationOfPatents_2" xlink:title="Label : PaymentOfCapitalizationOfPatents to label_PaymentOfCapitalizationOfPatents_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="PaymentsToAcquirePropertyPlantAndEquipment" />
    <link:label xlink:type="resource" xlink:label="label_PaymentsToAcquirePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US" id="label_PaymentsToAcquirePropertyPlantAndEquipment">Purchases of Fixed Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="label_PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="Label : PaymentsToAcquirePropertyPlantAndEquipment to label_PaymentsToAcquirePropertyPlantAndEquipment" />
    <link:label xlink:type="resource" xlink:label="label_PaymentsToAcquirePropertyPlantAndEquipment_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PaymentsToAcquirePropertyPlantAndEquipment_1" xml:lang="en-US" id="label_PaymentsToAcquirePropertyPlantAndEquipment_1">Payments to Acquire Property, Plant, and Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="label_PaymentsToAcquirePropertyPlantAndEquipment_1" xlink:title="Label : PaymentsToAcquirePropertyPlantAndEquipment to label_PaymentsToAcquirePropertyPlantAndEquipment_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireIntangibleAssets" xlink:label="PaymentsToAcquireIntangibleAssets" xlink:title="PaymentsToAcquireIntangibleAssets" />
    <link:label xlink:type="resource" xlink:label="label_PaymentsToAcquireIntangibleAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_PaymentsToAcquireIntangibleAssets" xml:lang="en-US" id="label_PaymentsToAcquireIntangibleAssets">Acquisition of Intangibles</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireIntangibleAssets" xlink:to="label_PaymentsToAcquireIntangibleAssets" xlink:title="Label : PaymentsToAcquireIntangibleAssets to label_PaymentsToAcquireIntangibleAssets" />
    <link:label xlink:type="resource" xlink:label="label_PaymentsToAcquireIntangibleAssets_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PaymentsToAcquireIntangibleAssets_1" xml:lang="en-US" id="label_PaymentsToAcquireIntangibleAssets_1">Payments to Acquire Intangible Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireIntangibleAssets" xlink:to="label_PaymentsToAcquireIntangibleAssets_1" xlink:title="Label : PaymentsToAcquireIntangibleAssets to label_PaymentsToAcquireIntangibleAssets_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments" xlink:label="ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments" xlink:title="ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments" />
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    <link:label xlink:type="resource" xlink:label="label_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_1" xml:lang="en-US" id="label_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_1">Proceeds from Maturities, Prepayments and Calls of Short-Term Investments</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInFinancingActivitiesAbstract" />
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    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_NetProceedsFromJanuary2025Offering" xlink:label="NetProceedsFromJanuary2025Offering" xlink:title="NetProceedsFromJanuary2025Offering" />
    <link:label xlink:type="resource" xlink:label="label_NetProceedsFromJanuary2025Offering" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NetProceedsFromJanuary2025Offering" xml:lang="en-US" id="label_NetProceedsFromJanuary2025Offering">Net Proceeds from January 2025 Offering</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetProceedsFromJanuary2025Offering" xlink:to="label_NetProceedsFromJanuary2025Offering" xlink:title="Label : NetProceedsFromJanuary2025Offering to label_NetProceedsFromJanuary2025Offering" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetProceedsFromJanuary2025Offering" xlink:to="label_NetProceedsFromJanuary2025Offering_1" xlink:title="Label : NetProceedsFromJanuary2025Offering to label_NetProceedsFromJanuary2025Offering_1" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetProceedsFromJanuary2025Offering" xlink:to="label_NetProceedsFromJanuary2025Offering_2" xlink:title="Label : NetProceedsFromJanuary2025Offering to label_NetProceedsFromJanuary2025Offering_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_NetProceedsFromFebruary2025Offering" xlink:label="NetProceedsFromFebruary2025Offering" xlink:title="NetProceedsFromFebruary2025Offering" />
    <link:label xlink:type="resource" xlink:label="label_NetProceedsFromFebruary2025Offering" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NetProceedsFromFebruary2025Offering" xml:lang="en-US" id="label_NetProceedsFromFebruary2025Offering">Net Proceeds from February 2025 Offering</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetProceedsFromFebruary2025Offering" xlink:to="label_NetProceedsFromFebruary2025Offering" xlink:title="Label : NetProceedsFromFebruary2025Offering to label_NetProceedsFromFebruary2025Offering" />
    <link:label xlink:type="resource" xlink:label="label_NetProceedsFromFebruary2025Offering_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_NetProceedsFromFebruary2025Offering_1" xml:lang="en-US" id="label_NetProceedsFromFebruary2025Offering_1">The amount of net proceeds from february 2025 offering.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetProceedsFromFebruary2025Offering" xlink:to="label_NetProceedsFromFebruary2025Offering_1" xlink:title="Label : NetProceedsFromFebruary2025Offering to label_NetProceedsFromFebruary2025Offering_1" />
    <link:label xlink:type="resource" xlink:label="label_NetProceedsFromFebruary2025Offering_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NetProceedsFromFebruary2025Offering_2" xml:lang="en-US" id="label_NetProceedsFromFebruary2025Offering_2">Net Proceeds From February2025 Offering</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetProceedsFromFebruary2025Offering" xlink:to="label_NetProceedsFromFebruary2025Offering_2" xlink:title="Label : NetProceedsFromFebruary2025Offering to label_NetProceedsFromFebruary2025Offering_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:title="PaymentsRelatedToTaxWithholdingForShareBasedCompensation" />
    <link:label xlink:type="resource" xlink:label="label_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xml:lang="en-US" id="label_PaymentsRelatedToTaxWithholdingForShareBasedCompensation">Shares Withheld for Net Share Settlement of Performance Bonuses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:to="label_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:title="Label : PaymentsRelatedToTaxWithholdingForShareBasedCompensation to label_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" />
    <link:label xlink:type="resource" xlink:label="label_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_1" xml:lang="en-US" id="label_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_1">Payment, Tax Withholding, Share-Based Payment Arrangement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:to="label_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_1" xlink:title="Label : PaymentsRelatedToTaxWithholdingForShareBasedCompensation to label_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ProceedsFromExerciseOfPreFundedWarrants" xlink:label="ProceedsFromExerciseOfPreFundedWarrants" xlink:title="ProceedsFromExerciseOfPreFundedWarrants" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromExerciseOfPreFundedWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ProceedsFromExerciseOfPreFundedWarrants" xml:lang="en-US" id="label_ProceedsFromExerciseOfPreFundedWarrants">Proceeds from Exercise of Pre-Funded Warrants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromExerciseOfPreFundedWarrants" xlink:to="label_ProceedsFromExerciseOfPreFundedWarrants" xlink:title="Label : ProceedsFromExerciseOfPreFundedWarrants to label_ProceedsFromExerciseOfPreFundedWarrants" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromExerciseOfPreFundedWarrants_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ProceedsFromExerciseOfPreFundedWarrants_1" xml:lang="en-US" id="label_ProceedsFromExerciseOfPreFundedWarrants_1">Proceeds from exercise of pre-funded warrants.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromExerciseOfPreFundedWarrants" xlink:to="label_ProceedsFromExerciseOfPreFundedWarrants_1" xlink:title="Label : ProceedsFromExerciseOfPreFundedWarrants to label_ProceedsFromExerciseOfPreFundedWarrants_1" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromExerciseOfPreFundedWarrants_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ProceedsFromExerciseOfPreFundedWarrants_2" xml:lang="en-US" id="label_ProceedsFromExerciseOfPreFundedWarrants_2">Proceeds From Exercise Of Pre Funded Warrants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromExerciseOfPreFundedWarrants" xlink:to="label_ProceedsFromExerciseOfPreFundedWarrants_2" xlink:title="Label : ProceedsFromExerciseOfPreFundedWarrants to label_ProceedsFromExerciseOfPreFundedWarrants_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="NetCashProvidedByUsedInFinancingActivities" xlink:title="NetCashProvidedByUsedInFinancingActivities" />
    <link:label xlink:type="resource" xlink:label="label_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_NetCashProvidedByUsedInFinancingActivities" xml:lang="en-US" id="label_NetCashProvidedByUsedInFinancingActivities">Net Cash Provided by Financing Activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="label_NetCashProvidedByUsedInFinancingActivities" xlink:title="Label : NetCashProvidedByUsedInFinancingActivities to label_NetCashProvidedByUsedInFinancingActivities" />
    <link:label xlink:type="resource" xlink:label="label_NetCashProvidedByUsedInFinancingActivities_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NetCashProvidedByUsedInFinancingActivities_1" xml:lang="en-US" id="label_NetCashProvidedByUsedInFinancingActivities_1">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="label_NetCashProvidedByUsedInFinancingActivities_1" xlink:title="Label : NetCashProvidedByUsedInFinancingActivities to label_NetCashProvidedByUsedInFinancingActivities_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:title="EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" />
    <link:label xlink:type="resource" xlink:label="label_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xml:lang="en-US" id="label_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents">Effect of Exchange Rate Changes on Cash</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="label_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:title="Label : EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents to label_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" />
    <link:label xlink:type="resource" xlink:label="label_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1" xml:lang="en-US" id="label_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1">Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="label_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1" xlink:title="Label : EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents to label_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:title="CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" />
    <link:label xlink:type="resource" xlink:label="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xml:lang="en-US" id="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect">Change in Cash and Cash Equivalents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:title="Label : CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect to label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" />
    <link:label xlink:type="resource" xlink:label="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_1" xml:lang="en-US" id="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_1">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_1" xlink:title="Label : CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect to label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:title="CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" />
    <link:label xlink:type="resource" xlink:label="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xml:lang="en-US" id="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents">Cash and Cash Equivalents&#x2014;Beginning of Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:title="Label : CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents to label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" />
    <link:label xlink:type="resource" xlink:label="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1" xml:lang="en-US" id="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1">Cash and Cash Equivalents&#x2014;End of Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1" xlink:title="Label : CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents to label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1" />
    <link:label xlink:type="resource" xlink:label="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_2" xml:lang="en-US" id="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_2">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_2" xlink:title="Label : CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents to label_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:title="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="label_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xml:lang="en-US" id="label_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract">NONCASH INVESTING/FINANCING ACTIVITIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="label_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:title="Label : CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to label_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="label_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_1" xml:lang="en-US" id="label_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_1">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="label_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_1" xlink:title="Label : CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to label_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1" xlink:label="NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1" xlink:title="NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1" />
    <link:label xlink:type="resource" xlink:label="label_NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1" xml:lang="en-US" id="label_NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1">Purchases of Fixed Assets included in Accounts Payable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1" xlink:to="label_NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1" xlink:title="Label : NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1 to label_NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1" />
    <link:label xlink:type="resource" xlink:label="label_NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1_1" xml:lang="en-US" id="label_NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1_1">Noncash or Part Noncash Acquisition, Fixed Assets Acquired</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1" xlink:to="label_NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1_1" xlink:title="Label : NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1 to label_NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_GrossSharesIssuedForAnnualPerformanceBonuses" xlink:label="GrossSharesIssuedForAnnualPerformanceBonuses" xlink:title="GrossSharesIssuedForAnnualPerformanceBonuses" />
    <link:label xlink:type="resource" xlink:label="label_GrossSharesIssuedForAnnualPerformanceBonuses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_GrossSharesIssuedForAnnualPerformanceBonuses" xml:lang="en-US" id="label_GrossSharesIssuedForAnnualPerformanceBonuses">Gross Shares Issued for Annual Performance Bonuses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GrossSharesIssuedForAnnualPerformanceBonuses" xlink:to="label_GrossSharesIssuedForAnnualPerformanceBonuses" xlink:title="Label : GrossSharesIssuedForAnnualPerformanceBonuses to label_GrossSharesIssuedForAnnualPerformanceBonuses" />
    <link:label xlink:type="resource" xlink:label="label_GrossSharesIssuedForAnnualPerformanceBonuses_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_GrossSharesIssuedForAnnualPerformanceBonuses_1" xml:lang="en-US" id="label_GrossSharesIssuedForAnnualPerformanceBonuses_1">Represent the amount of gross shares issued for annual performance bonuses.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GrossSharesIssuedForAnnualPerformanceBonuses" xlink:to="label_GrossSharesIssuedForAnnualPerformanceBonuses_1" xlink:title="Label : GrossSharesIssuedForAnnualPerformanceBonuses to label_GrossSharesIssuedForAnnualPerformanceBonuses_1" />
    <link:label xlink:type="resource" xlink:label="label_GrossSharesIssuedForAnnualPerformanceBonuses_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GrossSharesIssuedForAnnualPerformanceBonuses_2" xml:lang="en-US" id="label_GrossSharesIssuedForAnnualPerformanceBonuses_2">Gross Shares Issued For Annual Performance Bonuses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GrossSharesIssuedForAnnualPerformanceBonuses" xlink:to="label_GrossSharesIssuedForAnnualPerformanceBonuses_2" xlink:title="Label : GrossSharesIssuedForAnnualPerformanceBonuses to label_GrossSharesIssuedForAnnualPerformanceBonuses_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NatureOfOperations" xlink:label="NatureOfOperations" xlink:title="NatureOfOperations" />
    <link:label xlink:type="resource" xlink:label="label_NatureOfOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NatureOfOperations" xml:lang="en-US" id="label_NatureOfOperations">NATURE OF OPERATIONS</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NatureOfOperations" xlink:to="label_NatureOfOperations" xlink:title="Label : NatureOfOperations to label_NatureOfOperations" />
    <link:label xlink:type="resource" xlink:label="label_NatureOfOperations_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NatureOfOperations_1" xml:lang="en-US" id="label_NatureOfOperations_1">Nature of Operations [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NatureOfOperations" xlink:to="label_NatureOfOperations_1" xlink:title="Label : NatureOfOperations to label_NatureOfOperations_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="SignificantAccountingPoliciesTextBlock" xlink:title="SignificantAccountingPoliciesTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_SignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SignificantAccountingPoliciesTextBlock" xml:lang="en-US" id="label_SignificantAccountingPoliciesTextBlock">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantAccountingPoliciesTextBlock" xlink:to="label_SignificantAccountingPoliciesTextBlock" xlink:title="Label : SignificantAccountingPoliciesTextBlock to label_SignificantAccountingPoliciesTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_SignificantAccountingPoliciesTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SignificantAccountingPoliciesTextBlock_1" xml:lang="en-US" id="label_SignificantAccountingPoliciesTextBlock_1">Significant Accounting Policies [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantAccountingPoliciesTextBlock" xlink:to="label_SignificantAccountingPoliciesTextBlock_1" xlink:title="Label : SignificantAccountingPoliciesTextBlock to label_SignificantAccountingPoliciesTextBlock_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryDisclosureTextBlock" xlink:label="InventoryDisclosureTextBlock" xlink:title="InventoryDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_InventoryDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_InventoryDisclosureTextBlock" xml:lang="en-US" id="label_InventoryDisclosureTextBlock">INVENTORY</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryDisclosureTextBlock" xlink:to="label_InventoryDisclosureTextBlock" xlink:title="Label : InventoryDisclosureTextBlock to label_InventoryDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_InventoryDisclosureTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_InventoryDisclosureTextBlock_1" xml:lang="en-US" id="label_InventoryDisclosureTextBlock_1">Inventory Disclosure [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryDisclosureTextBlock" xlink:to="label_InventoryDisclosureTextBlock_1" xlink:title="Label : InventoryDisclosureTextBlock to label_InventoryDisclosureTextBlock_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="PropertyPlantAndEquipmentDisclosureTextBlock" xlink:title="PropertyPlantAndEquipmentDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PropertyPlantAndEquipmentDisclosureTextBlock" xml:lang="en-US" id="label_PropertyPlantAndEquipmentDisclosureTextBlock">PROPERTY AND EQUIPMENT</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="label_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:title="Label : PropertyPlantAndEquipmentDisclosureTextBlock to label_PropertyPlantAndEquipmentDisclosureTextBlock" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueFromContractWithCustomerPolicyTextBlock" xlink:to="label_RevenueFromContractWithCustomerPolicyTextBlock" xlink:title="Label : RevenueFromContractWithCustomerPolicyTextBlock to label_RevenueFromContractWithCustomerPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_RevenueFromContractWithCustomerPolicyTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RevenueFromContractWithCustomerPolicyTextBlock_1" xml:lang="en-US" id="label_RevenueFromContractWithCustomerPolicyTextBlock_1">Revenue from Contract with Customer [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueFromContractWithCustomerPolicyTextBlock" xlink:to="label_RevenueFromContractWithCustomerPolicyTextBlock_1" xlink:title="Label : RevenueFromContractWithCustomerPolicyTextBlock to label_RevenueFromContractWithCustomerPolicyTextBlock_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ResearchAndDevelopmentExpensePolicy" xlink:label="ResearchAndDevelopmentExpensePolicy" xlink:title="ResearchAndDevelopmentExpensePolicy" />
    <link:label xlink:type="resource" xlink:label="label_ResearchAndDevelopmentExpensePolicy" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ResearchAndDevelopmentExpensePolicy" xml:lang="en-US" id="label_ResearchAndDevelopmentExpensePolicy">Research and Development Costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentExpensePolicy" xlink:to="label_ResearchAndDevelopmentExpensePolicy" xlink:title="Label : ResearchAndDevelopmentExpensePolicy to label_ResearchAndDevelopmentExpensePolicy" />
    <link:label xlink:type="resource" xlink:label="label_ResearchAndDevelopmentExpensePolicy_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ResearchAndDevelopmentExpensePolicy_1" xml:lang="en-US" id="label_ResearchAndDevelopmentExpensePolicy_1">Research and Development Expense, Policy [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentExpensePolicy" xlink:to="label_ResearchAndDevelopmentExpensePolicy_1" xlink:title="Label : ResearchAndDevelopmentExpensePolicy to label_ResearchAndDevelopmentExpensePolicy_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="FairValueOfFinancialInstrumentsPolicy" xlink:title="FairValueOfFinancialInstrumentsPolicy" />
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    <link:label xlink:type="resource" xlink:label="label_FairValueOfFinancialInstrumentsPolicy_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueOfFinancialInstrumentsPolicy_1" xml:lang="en-US" id="label_FairValueOfFinancialInstrumentsPolicy_1">Fair Value of Financial Instruments, Policy [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueOfFinancialInstrumentsPolicy" xlink:to="label_FairValueOfFinancialInstrumentsPolicy_1" xlink:title="Label : FairValueOfFinancialInstrumentsPolicy to label_FairValueOfFinancialInstrumentsPolicy_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock" xlink:label="AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock" xlink:title="AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock" xlink:to="label_AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock" xlink:title="Label : AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock to label_AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock" xlink:to="label_AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock_1" xlink:title="Label : AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock to label_AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock_1" />
    <link:label xlink:type="resource" xlink:label="label_AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock_2" xml:lang="en-US" id="label_AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock_2">Assets And Liabilities Not Measured At Fair Value On ARecurring Basis Policy Text Block</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock" xlink:to="label_AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock_2" xlink:title="Label : AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock to label_AssetsAndLiabilitiesNotMeasuredAtFairValueOnARecurringBasisPolicyTextBlock_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:title="ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xml:lang="en-US" id="label_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock">Foreign Currency Transactions and Translation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:to="label_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:title="Label : ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock to label_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_1" xml:lang="en-US" id="label_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_1">Foreign Currency Transactions and Translations Policy [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:to="label_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_1" xlink:title="Label : ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock to label_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:label="PriorPeriodReclassificationAdjustmentDescription" xlink:title="PriorPeriodReclassificationAdjustmentDescription" />
    <link:label xlink:type="resource" xlink:label="label_PriorPeriodReclassificationAdjustmentDescription" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PriorPeriodReclassificationAdjustmentDescription" xml:lang="en-US" id="label_PriorPeriodReclassificationAdjustmentDescription">Reclassifications</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PriorPeriodReclassificationAdjustmentDescription" xlink:to="label_PriorPeriodReclassificationAdjustmentDescription" xlink:title="Label : PriorPeriodReclassificationAdjustmentDescription to label_PriorPeriodReclassificationAdjustmentDescription" />
    <link:label xlink:type="resource" xlink:label="label_PriorPeriodReclassificationAdjustmentDescription_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PriorPeriodReclassificationAdjustmentDescription_1" xml:lang="en-US" id="label_PriorPeriodReclassificationAdjustmentDescription_1">Reclassification, Comparability Adjustment [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PriorPeriodReclassificationAdjustmentDescription" xlink:to="label_PriorPeriodReclassificationAdjustmentDescription_1" xlink:title="Label : PriorPeriodReclassificationAdjustmentDescription to label_PriorPeriodReclassificationAdjustmentDescription_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:title="ShareBasedCompensationOptionAndIncentivePlansPolicy" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationOptionAndIncentivePlansPolicy" xml:lang="en-US" id="label_ShareBasedCompensationOptionAndIncentivePlansPolicy">Share-Based Payments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:to="label_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:title="Label : ShareBasedCompensationOptionAndIncentivePlansPolicy to label_ShareBasedCompensationOptionAndIncentivePlansPolicy" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationOptionAndIncentivePlansPolicy_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationOptionAndIncentivePlansPolicy_1" xml:lang="en-US" id="label_ShareBasedCompensationOptionAndIncentivePlansPolicy_1">Share-Based Payment Arrangement [Policy Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:label="CompensationRelatedCostsPolicyTextBlock" xlink:title="CompensationRelatedCostsPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_CompensationRelatedCostsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CompensationRelatedCostsPolicyTextBlock" xml:lang="en-US" id="label_CompensationRelatedCostsPolicyTextBlock">Related Parties</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CompensationRelatedCostsPolicyTextBlock" xlink:to="label_CompensationRelatedCostsPolicyTextBlock" xlink:title="Label : CompensationRelatedCostsPolicyTextBlock to label_CompensationRelatedCostsPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_CompensationRelatedCostsPolicyTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CompensationRelatedCostsPolicyTextBlock_1" xml:lang="en-US" id="label_CompensationRelatedCostsPolicyTextBlock_1">Compensation Related Costs, Policy [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CompensationRelatedCostsPolicyTextBlock" xlink:to="label_CompensationRelatedCostsPolicyTextBlock_1" xlink:title="Label : CompensationRelatedCostsPolicyTextBlock to label_CompensationRelatedCostsPolicyTextBlock_1" />
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    <link:label xlink:type="resource" xlink:label="label_SubsequentEventsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SubsequentEventsPolicyPolicyTextBlock" xml:lang="en-US" id="label_SubsequentEventsPolicyPolicyTextBlock">Subsequent Events</link:label>
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    <link:label xlink:type="resource" xlink:label="label_SubsequentEventsPolicyPolicyTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SubsequentEventsPolicyPolicyTextBlock_1" xml:lang="en-US" id="label_SubsequentEventsPolicyPolicyTextBlock_1">Subsequent Events, Policy [Policy Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:title="NewAccountingPronouncementsPolicyPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NewAccountingPronouncementsPolicyPolicyTextBlock" xml:lang="en-US" id="label_NewAccountingPronouncementsPolicyPolicyTextBlock">Recently Adopted and Issued Accounting Pronouncements</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock" xlink:label="FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock" xlink:title="FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfForeignExchangeContractsStatementOfFinancialPositionTableTextBlock" xlink:label="ScheduleOfForeignExchangeContractsStatementOfFinancialPositionTableTextBlock" xlink:title="ScheduleOfForeignExchangeContractsStatementOfFinancialPositionTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfForeignExchangeContractsStatementOfFinancialPositionTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ScheduleOfForeignExchangeContractsStatementOfFinancialPositionTableTextBlock" xml:lang="en-US" id="label_ScheduleOfForeignExchangeContractsStatementOfFinancialPositionTableTextBlock">Schedule of Exchange Rates along with Historical Rates</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:label="ScheduleOfInventoryCurrentTableTextBlock" xlink:title="ScheduleOfInventoryCurrentTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfInventoryCurrentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ScheduleOfInventoryCurrentTableTextBlock" xml:lang="en-US" id="label_ScheduleOfInventoryCurrentTableTextBlock">Schedule of Inventory</link:label>
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    <link:label xlink:type="resource" xlink:label="label_ScheduleOfInventoryCurrentTableTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfInventoryCurrentTableTextBlock_1" xml:lang="en-US" id="label_ScheduleOfInventoryCurrentTableTextBlock_1">Schedule of Inventory, Current [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfInventoryCurrentTableTextBlock" xlink:to="label_ScheduleOfInventoryCurrentTableTextBlock_1" xlink:title="Label : ScheduleOfInventoryCurrentTableTextBlock to label_ScheduleOfInventoryCurrentTableTextBlock_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="PropertyPlantAndEquipmentTextBlock" xlink:title="PropertyPlantAndEquipmentTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_PropertyPlantAndEquipmentTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PropertyPlantAndEquipmentTextBlock" xml:lang="en-US" id="label_PropertyPlantAndEquipmentTextBlock">Schedule of Property and Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentTextBlock" xlink:to="label_PropertyPlantAndEquipmentTextBlock" xlink:title="Label : PropertyPlantAndEquipmentTextBlock to label_PropertyPlantAndEquipmentTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_PropertyPlantAndEquipmentTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PropertyPlantAndEquipmentTextBlock_1" xml:lang="en-US" id="label_PropertyPlantAndEquipmentTextBlock_1">Property, Plant and Equipment [Table Text Block]</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:to="label_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:title="Label : ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock to label_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_1" xml:lang="en-US" id="label_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_1">Schedule of Finite-Lived Intangible Assets [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:to="label_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_1" xlink:title="Label : ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock to label_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:label="ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:title="ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xml:lang="en-US" id="label_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock">Schedule of Estimated Future Amortization Expense for Our Patents and Website Development Costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:to="label_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:title="Label : ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock to label_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_1" xml:lang="en-US" id="label_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_1">Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:to="label_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_1" xlink:title="Label : ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock to label_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" xlink:label="ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" xlink:title="ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" xml:lang="en-US" id="label_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock">Schedule of Equity-Classified Warrants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" xlink:to="label_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" xlink:title="Label : ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock to label_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:title="ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xml:lang="en-US" id="label_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock">Schedule of the Current Future Payment Obligations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:to="label_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:title="Label : ScheduleOfMaturitiesOfLongTermDebtTableTextBlock to label_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_1" xml:lang="en-US" id="label_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_1">Schedule of Maturities of Long-Term Debt [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:to="label_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_1" xlink:title="Label : ScheduleOfMaturitiesOfLongTermDebtTableTextBlock to label_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock" xlink:label="ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock" xlink:title="ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock" xml:lang="en-US" id="label_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock">Schedule of Derivative Liabilities Measured at Fair Value on a Recurring Basis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock" xlink:to="label_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock" xlink:title="Label : ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock to label_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_1" xml:lang="en-US" id="label_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_1">Schedule of Derivative Liabilities at Fair Value [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock" xlink:to="label_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_1" xlink:title="Label : ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock to label_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:label="ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:title="ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xml:lang="en-US" id="label_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock">Schedule of Share-Based Compensation Expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:to="label_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:title="Label : ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock to label_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock_1">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValueTableTextBlock_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_NatureofOperationsDetailsTable" xlink:label="NatureofOperationsDetailsTable" xlink:title="NatureofOperationsDetailsTable" />
    <link:label xlink:type="resource" xlink:label="label_NatureofOperationsDetailsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NatureofOperationsDetailsTable" xml:lang="en-US" id="label_NatureofOperationsDetailsTable">Nature of Operations (Details) [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NatureofOperationsDetailsTable" xlink:to="label_NatureofOperationsDetailsTable" xlink:title="Label : NatureofOperationsDetailsTable to label_NatureofOperationsDetailsTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="SubsidiarySaleOfStockAxis" xlink:title="SubsidiarySaleOfStockAxis" />
    <link:label xlink:type="resource" xlink:label="label_SubsidiarySaleOfStockAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SubsidiarySaleOfStockAxis" xml:lang="en-US" id="label_SubsidiarySaleOfStockAxis">Sale of Stock [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsidiarySaleOfStockAxis" xlink:to="label_SubsidiarySaleOfStockAxis" xlink:title="Label : SubsidiarySaleOfStockAxis to label_SubsidiarySaleOfStockAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="SaleOfStockNameOfTransactionDomain" xlink:title="SaleOfStockNameOfTransactionDomain" />
    <link:label xlink:type="resource" xlink:label="label_SaleOfStockNameOfTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SaleOfStockNameOfTransactionDomain" xml:lang="en-US" id="label_SaleOfStockNameOfTransactionDomain">Sale of Stock [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SaleOfStockNameOfTransactionDomain" xlink:to="label_SaleOfStockNameOfTransactionDomain" xlink:title="Label : SaleOfStockNameOfTransactionDomain to label_SaleOfStockNameOfTransactionDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IPOMember" xlink:label="IPOMember" xlink:title="IPOMember" />
    <link:label xlink:type="resource" xlink:label="label_IPOMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_IPOMember" xml:lang="en-US" id="label_IPOMember">Initial Public Offering [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IPOMember" xlink:to="label_IPOMember" xlink:title="Label : IPOMember to label_IPOMember" />
    <link:label xlink:type="resource" xlink:label="label_IPOMember_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_IPOMember_1" xml:lang="en-US" id="label_IPOMember_1">IPO [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IPOMember" xlink:to="label_IPOMember_1" xlink:title="Label : IPOMember to label_IPOMember_1" />
    <link:label xlink:type="resource" xlink:label="label_IPOMember_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IPOMember_2" xml:lang="en-US" id="label_IPOMember_2">IPO [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IPOMember" xlink:to="label_IPOMember_2" xlink:title="Label : IPOMember to label_IPOMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_TradeableWarrantsMember" xlink:label="TradeableWarrantsMember" xlink:title="TradeableWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_TradeableWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_TradeableWarrantsMember" xml:lang="en-US" id="label_TradeableWarrantsMember">Tradeable Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TradeableWarrantsMember" xlink:to="label_TradeableWarrantsMember" xlink:title="Label : TradeableWarrantsMember to label_TradeableWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_TradeableWarrantsMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_TradeableWarrantsMember_1" xml:lang="en-US" id="label_TradeableWarrantsMember_1">Tradeable Warrants Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TradeableWarrantsMember" xlink:to="label_TradeableWarrantsMember_1" xlink:title="Label : TradeableWarrantsMember to label_TradeableWarrantsMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_NontradeableWarrantsMember" xlink:label="NontradeableWarrantsMember" xlink:title="NontradeableWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_NontradeableWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NontradeableWarrantsMember" xml:lang="en-US" id="label_NontradeableWarrantsMember">Non-Tradeable Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NontradeableWarrantsMember" xlink:to="label_NontradeableWarrantsMember" xlink:title="Label : NontradeableWarrantsMember to label_NontradeableWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_NontradeableWarrantsMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NontradeableWarrantsMember_1" xml:lang="en-US" id="label_NontradeableWarrantsMember_1">Nontradeable Warrants Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NontradeableWarrantsMember" xlink:to="label_NontradeableWarrantsMember_1" xlink:title="Label : NontradeableWarrantsMember to label_NontradeableWarrantsMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_TradeableAndNonTradeableWarrantsMember" xlink:label="TradeableAndNonTradeableWarrantsMember" xlink:title="TradeableAndNonTradeableWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_TradeableAndNonTradeableWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_TradeableAndNonTradeableWarrantsMember" xml:lang="en-US" id="label_TradeableAndNonTradeableWarrantsMember">Tradeable and Non-Tradeable Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TradeableAndNonTradeableWarrantsMember" xlink:to="label_TradeableAndNonTradeableWarrantsMember" xlink:title="Label : TradeableAndNonTradeableWarrantsMember to label_TradeableAndNonTradeableWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_TradeableAndNonTradeableWarrantsMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_TradeableAndNonTradeableWarrantsMember_1" xml:lang="en-US" id="label_TradeableAndNonTradeableWarrantsMember_1">Tradeable And Non Tradeable Warrants Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TradeableAndNonTradeableWarrantsMember" xlink:to="label_TradeableAndNonTradeableWarrantsMember_1" xlink:title="Label : TradeableAndNonTradeableWarrantsMember to label_TradeableAndNonTradeableWarrantsMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:label="CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:title="CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" />
    <link:label xlink:type="resource" xlink:label="label_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xml:lang="en-US" id="label_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems">Nature of Operations [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="label_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:title="Label : CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems to label_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="StockIssuedDuringPeriodSharesNewIssues" xlink:title="StockIssuedDuringPeriodSharesNewIssues" />
    <link:label xlink:type="resource" xlink:label="label_StockIssuedDuringPeriodSharesNewIssues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_StockIssuedDuringPeriodSharesNewIssues" xml:lang="en-US" id="label_StockIssuedDuringPeriodSharesNewIssues">Number of shares issued (in Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssues" xlink:to="label_StockIssuedDuringPeriodSharesNewIssues" xlink:title="Label : StockIssuedDuringPeriodSharesNewIssues to label_StockIssuedDuringPeriodSharesNewIssues" />
    <link:label xlink:type="resource" xlink:label="label_StockIssuedDuringPeriodSharesNewIssues_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockIssuedDuringPeriodSharesNewIssues_1" xml:lang="en-US" id="label_StockIssuedDuringPeriodSharesNewIssues_1">Stock Issued During Period, Shares, New Issues</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssues" xlink:to="label_StockIssuedDuringPeriodSharesNewIssues_1" xlink:title="Label : StockIssuedDuringPeriodSharesNewIssues to label_StockIssuedDuringPeriodSharesNewIssues_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="SharesIssuedPricePerShare" xlink:title="SharesIssuedPricePerShare" />
    <link:label xlink:type="resource" xlink:label="label_SharesIssuedPricePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SharesIssuedPricePerShare" xml:lang="en-US" id="label_SharesIssuedPricePerShare">Price per unit (in Dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesIssuedPricePerShare" xlink:to="label_SharesIssuedPricePerShare" xlink:title="Label : SharesIssuedPricePerShare to label_SharesIssuedPricePerShare" />
    <link:label xlink:type="resource" xlink:label="label_SharesIssuedPricePerShare_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SharesIssuedPricePerShare_1" xml:lang="en-US" id="label_SharesIssuedPricePerShare_1">Shares Issued, Price Per Share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesIssuedPricePerShare" xlink:to="label_SharesIssuedPricePerShare_1" xlink:title="Label : SharesIssuedPricePerShare to label_SharesIssuedPricePerShare_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceInitialPublicOffering" xlink:label="ProceedsFromIssuanceInitialPublicOffering" xlink:title="ProceedsFromIssuanceInitialPublicOffering" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromIssuanceInitialPublicOffering" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ProceedsFromIssuanceInitialPublicOffering" xml:lang="en-US" id="label_ProceedsFromIssuanceInitialPublicOffering">Net proceeds</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceInitialPublicOffering" xlink:to="label_ProceedsFromIssuanceInitialPublicOffering" xlink:title="Label : ProceedsFromIssuanceInitialPublicOffering to label_ProceedsFromIssuanceInitialPublicOffering" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromIssuanceInitialPublicOffering_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ProceedsFromIssuanceInitialPublicOffering_1" xml:lang="en-US" id="label_ProceedsFromIssuanceInitialPublicOffering_1">Proceeds from Issuance Initial Public Offering</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceInitialPublicOffering" xlink:to="label_ProceedsFromIssuanceInitialPublicOffering_1" xlink:title="Label : ProceedsFromIssuanceInitialPublicOffering to label_ProceedsFromIssuanceInitialPublicOffering_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SummaryofSignificantAccountingPoliciesDetailsTable" xlink:label="SummaryofSignificantAccountingPoliciesDetailsTable" xlink:title="SummaryofSignificantAccountingPoliciesDetailsTable" />
    <link:label xlink:type="resource" xlink:label="label_SummaryofSignificantAccountingPoliciesDetailsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SummaryofSignificantAccountingPoliciesDetailsTable" xml:lang="en-US" id="label_SummaryofSignificantAccountingPoliciesDetailsTable">Summary of Significant Accounting Policies (Details) [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SummaryofSignificantAccountingPoliciesDetailsTable" xlink:to="label_SummaryofSignificantAccountingPoliciesDetailsTable" xlink:title="Label : SummaryofSignificantAccountingPoliciesDetailsTable to label_SummaryofSignificantAccountingPoliciesDetailsTable" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ReverseStockSplitsMember" xlink:label="ReverseStockSplitsMember" xlink:title="ReverseStockSplitsMember" />
    <link:label xlink:type="resource" xlink:label="label_ReverseStockSplitsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ReverseStockSplitsMember" xml:lang="en-US" id="label_ReverseStockSplitsMember">Reverse Stock Splits [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReverseStockSplitsMember" xlink:to="label_ReverseStockSplitsMember" xlink:title="Label : ReverseStockSplitsMember to label_ReverseStockSplitsMember" />
    <link:label xlink:type="resource" xlink:label="label_ReverseStockSplitsMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ReverseStockSplitsMember_1" xml:lang="en-US" id="label_ReverseStockSplitsMember_1">Reverse Stock Splits Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReverseStockSplitsMember" xlink:to="label_ReverseStockSplitsMember_1" xlink:title="Label : ReverseStockSplitsMember to label_ReverseStockSplitsMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_NetLossPerCommonShareMember" xlink:label="NetLossPerCommonShareMember" xlink:title="NetLossPerCommonShareMember" />
    <link:label xlink:type="resource" xlink:label="label_NetLossPerCommonShareMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NetLossPerCommonShareMember" xml:lang="en-US" id="label_NetLossPerCommonShareMember">Net Loss Per Common Share [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetLossPerCommonShareMember" xlink:to="label_NetLossPerCommonShareMember" xlink:title="Label : NetLossPerCommonShareMember to label_NetLossPerCommonShareMember" />
    <link:label xlink:type="resource" xlink:label="label_NetLossPerCommonShareMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NetLossPerCommonShareMember_1" xml:lang="en-US" id="label_NetLossPerCommonShareMember_1">Net Loss Per Common Share Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetLossPerCommonShareMember" xlink:to="label_NetLossPerCommonShareMember_1" xlink:title="Label : NetLossPerCommonShareMember to label_NetLossPerCommonShareMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="ConcentrationRiskByTypeAxis" xlink:title="ConcentrationRiskByTypeAxis" />
    <link:label xlink:type="resource" xlink:label="label_ConcentrationRiskByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ConcentrationRiskByTypeAxis" xml:lang="en-US" id="label_ConcentrationRiskByTypeAxis">Concentration Risk Type [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConcentrationRiskByTypeAxis" xlink:to="label_ConcentrationRiskByTypeAxis" xlink:title="Label : ConcentrationRiskByTypeAxis to label_ConcentrationRiskByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="ConcentrationRiskTypeDomain" xlink:title="ConcentrationRiskTypeDomain" />
    <link:label xlink:type="resource" xlink:label="label_ConcentrationRiskTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ConcentrationRiskTypeDomain" xml:lang="en-US" id="label_ConcentrationRiskTypeDomain">Concentration Risk Type [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConcentrationRiskTypeDomain" xlink:to="label_ConcentrationRiskTypeDomain" xlink:title="Label : ConcentrationRiskTypeDomain to label_ConcentrationRiskTypeDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="CustomerConcentrationRiskMember" xlink:title="CustomerConcentrationRiskMember" />
    <link:label xlink:type="resource" xlink:label="label_CustomerConcentrationRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CustomerConcentrationRiskMember" xml:lang="en-US" id="label_CustomerConcentrationRiskMember">Customer Concentration Risk [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CustomerConcentrationRiskMember" xlink:to="label_CustomerConcentrationRiskMember" xlink:title="Label : CustomerConcentrationRiskMember to label_CustomerConcentrationRiskMember" />
    <link:label xlink:type="resource" xlink:label="label_CustomerConcentrationRiskMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CustomerConcentrationRiskMember_1" xml:lang="en-US" id="label_CustomerConcentrationRiskMember_1">Customer Concentration Risk [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CustomerConcentrationRiskMember" xlink:to="label_CustomerConcentrationRiskMember_1" xlink:title="Label : CustomerConcentrationRiskMember to label_CustomerConcentrationRiskMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MajorCustomersAxis" xlink:label="MajorCustomersAxis" xlink:title="MajorCustomersAxis" />
    <link:label xlink:type="resource" xlink:label="label_MajorCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_MajorCustomersAxis" xml:lang="en-US" id="label_MajorCustomersAxis">Customer [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MajorCustomersAxis" xlink:to="label_MajorCustomersAxis" xlink:title="Label : MajorCustomersAxis to label_MajorCustomersAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_NameOfMajorCustomerDomain" xlink:label="NameOfMajorCustomerDomain" xlink:title="NameOfMajorCustomerDomain" />
    <link:label xlink:type="resource" xlink:label="label_NameOfMajorCustomerDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NameOfMajorCustomerDomain" xml:lang="en-US" id="label_NameOfMajorCustomerDomain">Customer [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NameOfMajorCustomerDomain" xlink:to="label_NameOfMajorCustomerDomain" xlink:title="Label : NameOfMajorCustomerDomain to label_NameOfMajorCustomerDomain" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SignificantCustomersMember" xlink:label="SignificantCustomersMember" xlink:title="SignificantCustomersMember" />
    <link:label xlink:type="resource" xlink:label="label_SignificantCustomersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SignificantCustomersMember" xml:lang="en-US" id="label_SignificantCustomersMember">Customer One [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantCustomersMember" xlink:to="label_SignificantCustomersMember" xlink:title="Label : SignificantCustomersMember to label_SignificantCustomersMember" />
    <link:label xlink:type="resource" xlink:label="label_SignificantCustomersMember_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_SignificantCustomersMember_1" xml:lang="en-US" id="label_SignificantCustomersMember_1">Significant Customers [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantCustomersMember" xlink:to="label_SignificantCustomersMember_1" xlink:title="Label : SignificantCustomersMember to label_SignificantCustomersMember_1" />
    <link:label xlink:type="resource" xlink:label="label_SignificantCustomersMember_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SignificantCustomersMember_2" xml:lang="en-US" id="label_SignificantCustomersMember_2">Significant Customers Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantCustomersMember" xlink:to="label_SignificantCustomersMember_2" xlink:title="Label : SignificantCustomersMember to label_SignificantCustomersMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_CustomerTwoMember" xlink:label="CustomerTwoMember" xlink:title="CustomerTwoMember" />
    <link:label xlink:type="resource" xlink:label="label_CustomerTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CustomerTwoMember" xml:lang="en-US" id="label_CustomerTwoMember">Customer Two [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CustomerTwoMember" xlink:to="label_CustomerTwoMember" xlink:title="Label : CustomerTwoMember to label_CustomerTwoMember" />
    <link:label xlink:type="resource" xlink:label="label_CustomerTwoMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CustomerTwoMember_1" xml:lang="en-US" id="label_CustomerTwoMember_1">Customer Two Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CustomerTwoMember" xlink:to="label_CustomerTwoMember_1" xlink:title="Label : CustomerTwoMember to label_CustomerTwoMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_CustomerThreeMember" xlink:label="CustomerThreeMember" xlink:title="CustomerThreeMember" />
    <link:label xlink:type="resource" xlink:label="label_CustomerThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CustomerThreeMember" xml:lang="en-US" id="label_CustomerThreeMember">Customer Three [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CustomerThreeMember" xlink:to="label_CustomerThreeMember" xlink:title="Label : CustomerThreeMember to label_CustomerThreeMember" />
    <link:label xlink:type="resource" xlink:label="label_CustomerThreeMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CustomerThreeMember_1" xml:lang="en-US" id="label_CustomerThreeMember_1">Customer Three Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CustomerThreeMember" xlink:to="label_CustomerThreeMember_1" xlink:title="Label : CustomerThreeMember to label_CustomerThreeMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SignificantCustomerOneMember" xlink:label="SignificantCustomerOneMember" xlink:title="SignificantCustomerOneMember" />
    <link:label xlink:type="resource" xlink:label="label_SignificantCustomerOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SignificantCustomerOneMember" xml:lang="en-US" id="label_SignificantCustomerOneMember">Significant Customer One [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantCustomerOneMember" xlink:to="label_SignificantCustomerOneMember" xlink:title="Label : SignificantCustomerOneMember to label_SignificantCustomerOneMember" />
    <link:label xlink:type="resource" xlink:label="label_SignificantCustomerOneMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SignificantCustomerOneMember_1" xml:lang="en-US" id="label_SignificantCustomerOneMember_1">Significant Customer One Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantCustomerOneMember" xlink:to="label_SignificantCustomerOneMember_1" xlink:title="Label : SignificantCustomerOneMember to label_SignificantCustomerOneMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="ConcentrationRiskByBenchmarkAxis" xlink:title="ConcentrationRiskByBenchmarkAxis" />
    <link:label xlink:type="resource" xlink:label="label_ConcentrationRiskByBenchmarkAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ConcentrationRiskByBenchmarkAxis" xml:lang="en-US" id="label_ConcentrationRiskByBenchmarkAxis">Concentration Risk Benchmark [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConcentrationRiskByBenchmarkAxis" xlink:to="label_ConcentrationRiskByBenchmarkAxis" xlink:title="Label : ConcentrationRiskByBenchmarkAxis to label_ConcentrationRiskByBenchmarkAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="ConcentrationRiskBenchmarkDomain" xlink:title="ConcentrationRiskBenchmarkDomain" />
    <link:label xlink:type="resource" xlink:label="label_ConcentrationRiskBenchmarkDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ConcentrationRiskBenchmarkDomain" xml:lang="en-US" id="label_ConcentrationRiskBenchmarkDomain">Concentration Risk Benchmark [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConcentrationRiskBenchmarkDomain" xlink:to="label_ConcentrationRiskBenchmarkDomain" xlink:title="Label : ConcentrationRiskBenchmarkDomain to label_ConcentrationRiskBenchmarkDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableMember" xlink:label="AccountsReceivableMember" xlink:title="AccountsReceivableMember" />
    <link:label xlink:type="resource" xlink:label="label_AccountsReceivableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AccountsReceivableMember" xml:lang="en-US" id="label_AccountsReceivableMember">Accounts Receivable [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivableMember" xlink:to="label_AccountsReceivableMember" xlink:title="Label : AccountsReceivableMember to label_AccountsReceivableMember" />
    <link:label xlink:type="resource" xlink:label="label_AccountsReceivableMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccountsReceivableMember_1" xml:lang="en-US" id="label_AccountsReceivableMember_1">Accounts Receivable [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivableMember" xlink:to="label_AccountsReceivableMember_1" xlink:title="Label : AccountsReceivableMember to label_AccountsReceivableMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SalesRevenueNetMember" xlink:label="SalesRevenueNetMember" xlink:title="SalesRevenueNetMember" />
    <link:label xlink:type="resource" xlink:label="label_SalesRevenueNetMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SalesRevenueNetMember" xml:lang="en-US" id="label_SalesRevenueNetMember">Revenue Benchmark [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SalesRevenueNetMember" xlink:to="label_SalesRevenueNetMember" xlink:title="Label : SalesRevenueNetMember to label_SalesRevenueNetMember" />
    <link:label xlink:type="resource" xlink:label="label_SalesRevenueNetMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SalesRevenueNetMember_1" xml:lang="en-US" id="label_SalesRevenueNetMember_1">Revenue Benchmark [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SalesRevenueNetMember" xlink:to="label_SalesRevenueNetMember_1" xlink:title="Label : SalesRevenueNetMember to label_SalesRevenueNetMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ChangeInAccountingEstimateLineItems" xlink:label="ChangeInAccountingEstimateLineItems" xlink:title="ChangeInAccountingEstimateLineItems" />
    <link:label xlink:type="resource" xlink:label="label_ChangeInAccountingEstimateLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ChangeInAccountingEstimateLineItems" xml:lang="en-US" id="label_ChangeInAccountingEstimateLineItems">Summary of Significant Accounting Policies [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ChangeInAccountingEstimateLineItems" xlink:to="label_ChangeInAccountingEstimateLineItems" xlink:title="Label : ChangeInAccountingEstimateLineItems to label_ChangeInAccountingEstimateLineItems" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityReverseStockSplit" xlink:label="StockholdersEquityReverseStockSplit" xlink:title="StockholdersEquityReverseStockSplit" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityReverseStockSplit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_StockholdersEquityReverseStockSplit" xml:lang="en-US" id="label_StockholdersEquityReverseStockSplit">Reverse stock split</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityReverseStockSplit" xlink:to="label_StockholdersEquityReverseStockSplit" xlink:title="Label : StockholdersEquityReverseStockSplit to label_StockholdersEquityReverseStockSplit" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityReverseStockSplit_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockholdersEquityReverseStockSplit_1" xml:lang="en-US" id="label_StockholdersEquityReverseStockSplit_1">Stockholders' Equity, Reverse Stock Split</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityReverseStockSplit" xlink:to="label_StockholdersEquityReverseStockSplit_1" xlink:title="Label : StockholdersEquityReverseStockSplit to label_StockholdersEquityReverseStockSplit_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="ConcentrationRiskPercentage1" xlink:title="ConcentrationRiskPercentage1" />
    <link:label xlink:type="resource" xlink:label="label_ConcentrationRiskPercentage1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ConcentrationRiskPercentage1" xml:lang="en-US" id="label_ConcentrationRiskPercentage1">Concentration percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConcentrationRiskPercentage1" xlink:to="label_ConcentrationRiskPercentage1" xlink:title="Label : ConcentrationRiskPercentage1 to label_ConcentrationRiskPercentage1" />
    <link:label xlink:type="resource" xlink:label="label_ConcentrationRiskPercentage1_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ConcentrationRiskPercentage1_1" xml:lang="en-US" id="label_ConcentrationRiskPercentage1_1">Concentration Risk, Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConcentrationRiskPercentage1" xlink:to="label_ConcentrationRiskPercentage1_1" xlink:title="Label : ConcentrationRiskPercentage1 to label_ConcentrationRiskPercentage1_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments" xlink:label="CashCashEquivalentsAndShortTermInvestments" xlink:title="CashCashEquivalentsAndShortTermInvestments" />
    <link:label xlink:type="resource" xlink:label="label_CashCashEquivalentsAndShortTermInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CashCashEquivalentsAndShortTermInvestments" xml:lang="en-US" id="label_CashCashEquivalentsAndShortTermInvestments">Cash equivalents and short-term (in Dollars)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashCashEquivalentsAndShortTermInvestments" xlink:to="label_CashCashEquivalentsAndShortTermInvestments" xlink:title="Label : CashCashEquivalentsAndShortTermInvestments to label_CashCashEquivalentsAndShortTermInvestments" />
    <link:label xlink:type="resource" xlink:label="label_CashCashEquivalentsAndShortTermInvestments_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CashCashEquivalentsAndShortTermInvestments_1" xml:lang="en-US" id="label_CashCashEquivalentsAndShortTermInvestments_1">Cash, Cash Equivalents, and Short-Term Investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashCashEquivalentsAndShortTermInvestments" xlink:to="label_CashCashEquivalentsAndShortTermInvestments_1" xlink:title="Label : CashCashEquivalentsAndShortTermInvestments to label_CashCashEquivalentsAndShortTermInvestments_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ScheduleOfLiabilitiesMeasuredAtFairValueAbstract" xlink:label="ScheduleOfLiabilitiesMeasuredAtFairValueAbstract" xlink:title="ScheduleOfLiabilitiesMeasuredAtFairValueAbstract" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfLiabilitiesMeasuredAtFairValueAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfLiabilitiesMeasuredAtFairValueAbstract" xml:lang="en-US" id="label_ScheduleOfLiabilitiesMeasuredAtFairValueAbstract">Schedule Of Liabilities Measured At Fair Value Abstract</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfLiabilitiesMeasuredAtFairValueAbstract" xlink:to="label_ScheduleOfLiabilitiesMeasuredAtFairValueAbstract" xlink:title="Label : ScheduleOfLiabilitiesMeasuredAtFairValueAbstract to label_ScheduleOfLiabilitiesMeasuredAtFairValueAbstract" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SummaryofSignificantAccountingPoliciesScheduleofLiabilitiesMeasuredatFairValueDetailsTable" xlink:label="SummaryofSignificantAccountingPoliciesScheduleofLiabilitiesMeasuredatFairValueDetailsTable" xlink:title="SummaryofSignificantAccountingPoliciesScheduleofLiabilitiesMeasuredatFairValueDetailsTable" />
    <link:label xlink:type="resource" xlink:label="label_SummaryofSignificantAccountingPoliciesScheduleofLiabilitiesMeasuredatFairValueDetailsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SummaryofSignificantAccountingPoliciesScheduleofLiabilitiesMeasuredatFairValueDetailsTable" xml:lang="en-US" id="label_SummaryofSignificantAccountingPoliciesScheduleofLiabilitiesMeasuredatFairValueDetailsTable">Summary of Significant Accounting Policies - Schedule of Liabilities Measured at Fair Value (Details) [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SummaryofSignificantAccountingPoliciesScheduleofLiabilitiesMeasuredatFairValueDetailsTable" xlink:to="label_SummaryofSignificantAccountingPoliciesScheduleofLiabilitiesMeasuredatFairValueDetailsTable" xlink:title="Label : SummaryofSignificantAccountingPoliciesScheduleofLiabilitiesMeasuredatFairValueDetailsTable to label_SummaryofSignificantAccountingPoliciesScheduleofLiabilitiesMeasuredatFairValueDetailsTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="FinancialInstrumentAxis" xlink:title="FinancialInstrumentAxis" />
    <link:label xlink:type="resource" xlink:label="label_FinancialInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FinancialInstrumentAxis" xml:lang="en-US" id="label_FinancialInstrumentAxis">Financial Instrument [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FinancialInstrumentAxis" xlink:to="label_FinancialInstrumentAxis" xlink:title="Label : FinancialInstrumentAxis to label_FinancialInstrumentAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" />
    <link:label xlink:type="resource" xlink:label="label_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xml:lang="en-US" id="label_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain">Financial Instruments [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="label_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:title="Label : TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain to label_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeMember" xlink:label="DerivativeMember" xlink:title="DerivativeMember" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DerivativeMember" xml:lang="en-US" id="label_DerivativeMember">Derivative Liabilities [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeMember" xlink:to="label_DerivativeMember" xlink:title="Label : DerivativeMember to label_DerivativeMember" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeMember_1" xml:lang="en-US" id="label_DerivativeMember_1">Derivative [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeMember" xlink:to="label_DerivativeMember_1" xlink:title="Label : DerivativeMember to label_DerivativeMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="FairValueByFairValueHierarchyLevelAxis" xlink:title="FairValueByFairValueHierarchyLevelAxis" />
    <link:label xlink:type="resource" xlink:label="label_FairValueByFairValueHierarchyLevelAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueByFairValueHierarchyLevelAxis" xml:lang="en-US" id="label_FairValueByFairValueHierarchyLevelAxis">Fair Value Hierarchy and NAV [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueByFairValueHierarchyLevelAxis" xlink:to="label_FairValueByFairValueHierarchyLevelAxis" xlink:title="Label : FairValueByFairValueHierarchyLevelAxis to label_FairValueByFairValueHierarchyLevelAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="FairValueMeasurementsFairValueHierarchyDomain" xlink:title="FairValueMeasurementsFairValueHierarchyDomain" />
    <link:label xlink:type="resource" xlink:label="label_FairValueMeasurementsFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueMeasurementsFairValueHierarchyDomain" xml:lang="en-US" id="label_FairValueMeasurementsFairValueHierarchyDomain">Fair Value Hierarchy and NAV [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementsFairValueHierarchyDomain" xlink:to="label_FairValueMeasurementsFairValueHierarchyDomain" xlink:title="Label : FairValueMeasurementsFairValueHierarchyDomain to label_FairValueMeasurementsFairValueHierarchyDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="FairValueInputsLevel1Member" xlink:title="FairValueInputsLevel1Member" />
    <link:label xlink:type="resource" xlink:label="label_FairValueInputsLevel1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FairValueInputsLevel1Member" xml:lang="en-US" id="label_FairValueInputsLevel1Member">Level 1 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel1Member" xlink:to="label_FairValueInputsLevel1Member" xlink:title="Label : FairValueInputsLevel1Member to label_FairValueInputsLevel1Member" />
    <link:label xlink:type="resource" xlink:label="label_FairValueInputsLevel1Member_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueInputsLevel1Member_1" xml:lang="en-US" id="label_FairValueInputsLevel1Member_1">Fair Value, Inputs, Level 1 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel1Member" xlink:to="label_FairValueInputsLevel1Member_1" xlink:title="Label : FairValueInputsLevel1Member to label_FairValueInputsLevel1Member_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="FairValueInputsLevel2Member" xlink:title="FairValueInputsLevel2Member" />
    <link:label xlink:type="resource" xlink:label="label_FairValueInputsLevel2Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FairValueInputsLevel2Member" xml:lang="en-US" id="label_FairValueInputsLevel2Member">Level 2 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel2Member" xlink:to="label_FairValueInputsLevel2Member" xlink:title="Label : FairValueInputsLevel2Member to label_FairValueInputsLevel2Member" />
    <link:label xlink:type="resource" xlink:label="label_FairValueInputsLevel2Member_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueInputsLevel2Member_1" xml:lang="en-US" id="label_FairValueInputsLevel2Member_1">Fair Value, Inputs, Level 2 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel2Member" xlink:to="label_FairValueInputsLevel2Member_1" xlink:title="Label : FairValueInputsLevel2Member to label_FairValueInputsLevel2Member_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="FairValueInputsLevel3Member" xlink:title="FairValueInputsLevel3Member" />
    <link:label xlink:type="resource" xlink:label="label_FairValueInputsLevel3Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FairValueInputsLevel3Member" xml:lang="en-US" id="label_FairValueInputsLevel3Member">Level 3 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel3Member" xlink:to="label_FairValueInputsLevel3Member" xlink:title="Label : FairValueInputsLevel3Member to label_FairValueInputsLevel3Member" />
    <link:label xlink:type="resource" xlink:label="label_FairValueInputsLevel3Member_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_FairValueInputsLevel3Member_1" xml:lang="en-US" id="label_FairValueInputsLevel3Member_1">Fair Value, Inputs, Level 3 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel3Member" xlink:to="label_FairValueInputsLevel3Member_1" xlink:title="Label : FairValueInputsLevel3Member to label_FairValueInputsLevel3Member_1" />
    <link:label xlink:type="resource" xlink:label="label_FairValueInputsLevel3Member_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueInputsLevel3Member_2" xml:lang="en-US" id="label_FairValueInputsLevel3Member_2">Fair Value, Inputs, Level 3 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel3Member" xlink:to="label_FairValueInputsLevel3Member_2" xlink:title="Label : FairValueInputsLevel3Member to label_FairValueInputsLevel3Member_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" />
    <link:label xlink:type="resource" xlink:label="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xml:lang="en-US" id="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems">Schedule of Liabilities Measured at Fair Value [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:title="Label : FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to label_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ScheduleOfExchangeRatesAlongWithHistoricalRatesAbstract" xlink:label="ScheduleOfExchangeRatesAlongWithHistoricalRatesAbstract" xlink:title="ScheduleOfExchangeRatesAlongWithHistoricalRatesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfExchangeRatesAlongWithHistoricalRatesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfExchangeRatesAlongWithHistoricalRatesAbstract" xml:lang="en-US" id="label_ScheduleOfExchangeRatesAlongWithHistoricalRatesAbstract">Schedule Of Exchange Rates Along With Historical Rates Abstract</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfExchangeRatesAlongWithHistoricalRatesAbstract" xlink:to="label_ScheduleOfExchangeRatesAlongWithHistoricalRatesAbstract" xlink:title="Label : ScheduleOfExchangeRatesAlongWithHistoricalRatesAbstract to label_ScheduleOfExchangeRatesAlongWithHistoricalRatesAbstract" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SummaryofSignificantAccountingPoliciesScheduleofExchangeRatesalongwithHistoricalRatesDetailsTable" xlink:label="SummaryofSignificantAccountingPoliciesScheduleofExchangeRatesalongwithHistoricalRatesDetailsTable" xlink:title="SummaryofSignificantAccountingPoliciesScheduleofExchangeRatesalongwithHistoricalRatesDetailsTable" />
    <link:label xlink:type="resource" xlink:label="label_SummaryofSignificantAccountingPoliciesScheduleofExchangeRatesalongwithHistoricalRatesDetailsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SummaryofSignificantAccountingPoliciesScheduleofExchangeRatesalongwithHistoricalRatesDetailsTable" xml:lang="en-US" id="label_SummaryofSignificantAccountingPoliciesScheduleofExchangeRatesalongwithHistoricalRatesDetailsTable">Summary of Significant Accounting Policies - Schedule of Exchange Rates along with Historical Rates (Details) [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SummaryofSignificantAccountingPoliciesScheduleofExchangeRatesalongwithHistoricalRatesDetailsTable" xlink:to="label_SummaryofSignificantAccountingPoliciesScheduleofExchangeRatesalongwithHistoricalRatesDetailsTable" xlink:title="Label : SummaryofSignificantAccountingPoliciesScheduleofExchangeRatesalongwithHistoricalRatesDetailsTable to label_SummaryofSignificantAccountingPoliciesScheduleofExchangeRatesalongwithHistoricalRatesDetailsTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CurrencyAxis" xlink:label="CurrencyAxis" xlink:title="CurrencyAxis" />
    <link:label xlink:type="resource" xlink:label="label_CurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CurrencyAxis" xml:lang="en-US" id="label_CurrencyAxis">Currency [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CurrencyAxis" xlink:to="label_CurrencyAxis" xlink:title="Label : CurrencyAxis to label_CurrencyAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_USD" xlink:label="USD" xlink:title="USD" />
    <link:label xlink:type="resource" xlink:label="label_USD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_USD" xml:lang="en-US" id="label_USD">United States of America, Dollars</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USD" xlink:to="label_USD" xlink:title="Label : USD to label_USD" />
    <link:label xlink:type="resource" xlink:label="label_USD_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_USD_1" xml:lang="en-US" id="label_USD_1">United States of America, Dollars</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USD" xlink:to="label_USD_1" xlink:title="Label : USD to label_USD_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntercompanyForeignCurrencyBalanceLineItems" xlink:label="IntercompanyForeignCurrencyBalanceLineItems" xlink:title="IntercompanyForeignCurrencyBalanceLineItems" />
    <link:label xlink:type="resource" xlink:label="label_IntercompanyForeignCurrencyBalanceLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IntercompanyForeignCurrencyBalanceLineItems" xml:lang="en-US" id="label_IntercompanyForeignCurrencyBalanceLineItems">Schedule of Exchange Rates along with Historical Rates [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IntercompanyForeignCurrencyBalanceLineItems" xlink:to="label_IntercompanyForeignCurrencyBalanceLineItems" xlink:title="Label : IntercompanyForeignCurrencyBalanceLineItems to label_IntercompanyForeignCurrencyBalanceLineItems" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_AverageExchangeRate" xlink:label="AverageExchangeRate" xlink:title="AverageExchangeRate" />
    <link:label xlink:type="resource" xlink:label="label_AverageExchangeRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AverageExchangeRate" xml:lang="en-US" id="label_AverageExchangeRate">Average Exchange Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AverageExchangeRate" xlink:to="label_AverageExchangeRate" xlink:title="Label : AverageExchangeRate to label_AverageExchangeRate" />
    <link:label xlink:type="resource" xlink:label="label_AverageExchangeRate_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_AverageExchangeRate_1" xml:lang="en-US" id="label_AverageExchangeRate_1">Average Exchange Rate.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AverageExchangeRate" xlink:to="label_AverageExchangeRate_1" xlink:title="Label : AverageExchangeRate to label_AverageExchangeRate_1" />
    <link:label xlink:type="resource" xlink:label="label_AverageExchangeRate_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AverageExchangeRate_2" xml:lang="en-US" id="label_AverageExchangeRate_2">Average Exchange Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AverageExchangeRate" xlink:to="label_AverageExchangeRate_2" xlink:title="Label : AverageExchangeRate to label_AverageExchangeRate_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyExchangeRateTranslation1" xlink:label="ForeignCurrencyExchangeRateTranslation1" xlink:title="ForeignCurrencyExchangeRateTranslation1" />
    <link:label xlink:type="resource" xlink:label="label_ForeignCurrencyExchangeRateTranslation1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ForeignCurrencyExchangeRateTranslation1" xml:lang="en-US" id="label_ForeignCurrencyExchangeRateTranslation1">Exchange Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyExchangeRateTranslation1" xlink:to="label_ForeignCurrencyExchangeRateTranslation1" xlink:title="Label : ForeignCurrencyExchangeRateTranslation1 to label_ForeignCurrencyExchangeRateTranslation1" />
    <link:label xlink:type="resource" xlink:label="label_ForeignCurrencyExchangeRateTranslation1_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ForeignCurrencyExchangeRateTranslation1_1" xml:lang="en-US" id="label_ForeignCurrencyExchangeRateTranslation1_1">Foreign Currency Exchange Rate, Translation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyExchangeRateTranslation1" xlink:to="label_ForeignCurrencyExchangeRateTranslation1_1" xlink:title="Label : ForeignCurrencyExchangeRateTranslation1 to label_ForeignCurrencyExchangeRateTranslation1_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2025/currency-2025.xsd#currency_AllCurrenciesDomain" xlink:label="AllCurrenciesDomain" xlink:title="AllCurrenciesDomain" />
    <link:label xlink:type="resource" xlink:label="label_AllCurrenciesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AllCurrenciesDomain" xml:lang="en-US" id="label_AllCurrenciesDomain">All Currencies [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AllCurrenciesDomain" xlink:to="label_AllCurrenciesDomain" xlink:title="Label : AllCurrenciesDomain to label_AllCurrenciesDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNetAbstract" xlink:label="InventoryNetAbstract" xlink:title="InventoryNetAbstract" />
    <link:label xlink:type="resource" xlink:label="label_InventoryNetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_InventoryNetAbstract" xml:lang="en-US" id="label_InventoryNetAbstract">Schedule of Inventory [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryNetAbstract" xlink:to="label_InventoryNetAbstract" xlink:title="Label : InventoryNetAbstract to label_InventoryNetAbstract" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryRawMaterials" xlink:label="InventoryRawMaterials" xlink:title="InventoryRawMaterials" />
    <link:label xlink:type="resource" xlink:label="label_InventoryRawMaterials" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_InventoryRawMaterials" xml:lang="en-US" id="label_InventoryRawMaterials">Raw Material (API)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryRawMaterials" xlink:to="label_InventoryRawMaterials" xlink:title="Label : InventoryRawMaterials to label_InventoryRawMaterials" />
    <link:label xlink:type="resource" xlink:label="label_InventoryRawMaterials_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_InventoryRawMaterials_1" xml:lang="en-US" id="label_InventoryRawMaterials_1">Inventory, Raw Materials, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryRawMaterials" xlink:to="label_InventoryRawMaterials_1" xlink:title="Label : InventoryRawMaterials to label_InventoryRawMaterials_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryWorkInProcess" xlink:label="InventoryWorkInProcess" xlink:title="InventoryWorkInProcess" />
    <link:label xlink:type="resource" xlink:label="label_InventoryWorkInProcess" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_InventoryWorkInProcess" xml:lang="en-US" id="label_InventoryWorkInProcess">Work in Process</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryWorkInProcess" xlink:to="label_InventoryWorkInProcess" xlink:title="Label : InventoryWorkInProcess to label_InventoryWorkInProcess" />
    <link:label xlink:type="resource" xlink:label="label_InventoryWorkInProcess_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_InventoryWorkInProcess_1" xml:lang="en-US" id="label_InventoryWorkInProcess_1">Inventory, Work in Process, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryWorkInProcess" xlink:to="label_InventoryWorkInProcess_1" xlink:title="Label : InventoryWorkInProcess to label_InventoryWorkInProcess_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryFinishedGoods" xlink:label="InventoryFinishedGoods" xlink:title="InventoryFinishedGoods" />
    <link:label xlink:type="resource" xlink:label="label_InventoryFinishedGoods" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_InventoryFinishedGoods" xml:lang="en-US" id="label_InventoryFinishedGoods">Finished Goods</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryFinishedGoods" xlink:to="label_InventoryFinishedGoods" xlink:title="Label : InventoryFinishedGoods to label_InventoryFinishedGoods" />
    <link:label xlink:type="resource" xlink:label="label_InventoryFinishedGoods_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_InventoryFinishedGoods_1" xml:lang="en-US" id="label_InventoryFinishedGoods_1">Inventory, Finished Goods, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryFinishedGoods" xlink:to="label_InventoryFinishedGoods_1" xlink:title="Label : InventoryFinishedGoods to label_InventoryFinishedGoods_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="DepreciationDepletionAndAmortization" xlink:title="DepreciationDepletionAndAmortization" />
    <link:label xlink:type="resource" xlink:label="label_DepreciationDepletionAndAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DepreciationDepletionAndAmortization" xml:lang="en-US" id="label_DepreciationDepletionAndAmortization">Depreciation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DepreciationDepletionAndAmortization" xlink:to="label_DepreciationDepletionAndAmortization" xlink:title="Label : DepreciationDepletionAndAmortization to label_DepreciationDepletionAndAmortization" />
    <link:label xlink:type="resource" xlink:label="label_DepreciationDepletionAndAmortization_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DepreciationDepletionAndAmortization_1" xml:lang="en-US" id="label_DepreciationDepletionAndAmortization_1">Depreciation, Depletion and Amortization</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DepreciationDepletionAndAmortization" xlink:to="label_DepreciationDepletionAndAmortization_1" xlink:title="Label : DepreciationDepletionAndAmortization to label_DepreciationDepletionAndAmortization_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ScheduleOfPropertyAndEquipmentAbstract" xlink:label="ScheduleOfPropertyAndEquipmentAbstract" xlink:title="ScheduleOfPropertyAndEquipmentAbstract" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfPropertyAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfPropertyAndEquipmentAbstract" xml:lang="en-US" id="label_ScheduleOfPropertyAndEquipmentAbstract">Schedule Of Property And Equipment Abstract</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfPropertyAndEquipmentAbstract" xlink:to="label_ScheduleOfPropertyAndEquipmentAbstract" xlink:title="Label : ScheduleOfPropertyAndEquipmentAbstract to label_ScheduleOfPropertyAndEquipmentAbstract" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="ScheduleOfPropertyPlantAndEquipmentTable" xlink:title="ScheduleOfPropertyPlantAndEquipmentTable" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfPropertyPlantAndEquipmentTable" xml:lang="en-US" id="label_ScheduleOfPropertyPlantAndEquipmentTable">Property, Plant and Equipment [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="label_ScheduleOfPropertyPlantAndEquipmentTable" xlink:title="Label : ScheduleOfPropertyPlantAndEquipmentTable to label_ScheduleOfPropertyPlantAndEquipmentTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="PropertyPlantAndEquipmentByTypeAxis" xlink:title="PropertyPlantAndEquipmentByTypeAxis" />
    <link:label xlink:type="resource" xlink:label="label_PropertyPlantAndEquipmentByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PropertyPlantAndEquipmentByTypeAxis" xml:lang="en-US" id="label_PropertyPlantAndEquipmentByTypeAxis">Long-Lived Tangible Asset [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentByTypeAxis" xlink:to="label_PropertyPlantAndEquipmentByTypeAxis" xlink:title="Label : PropertyPlantAndEquipmentByTypeAxis to label_PropertyPlantAndEquipmentByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="PropertyPlantAndEquipmentTypeDomain" xlink:title="PropertyPlantAndEquipmentTypeDomain" />
    <link:label xlink:type="resource" xlink:label="label_PropertyPlantAndEquipmentTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PropertyPlantAndEquipmentTypeDomain" xml:lang="en-US" id="label_PropertyPlantAndEquipmentTypeDomain">Long-Lived Tangible Asset [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentTypeDomain" xlink:to="label_PropertyPlantAndEquipmentTypeDomain" xlink:title="Label : PropertyPlantAndEquipmentTypeDomain to label_PropertyPlantAndEquipmentTypeDomain" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_LabEquipmentMember" xlink:label="LabEquipmentMember" xlink:title="LabEquipmentMember" />
    <link:label xlink:type="resource" xlink:label="label_LabEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LabEquipmentMember" xml:lang="en-US" id="label_LabEquipmentMember">Lab Equipment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LabEquipmentMember" xlink:to="label_LabEquipmentMember" xlink:title="Label : LabEquipmentMember to label_LabEquipmentMember" />
    <link:label xlink:type="resource" xlink:label="label_LabEquipmentMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LabEquipmentMember_1" xml:lang="en-US" id="label_LabEquipmentMember_1">Lab Equipment Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LabEquipmentMember" xlink:to="label_LabEquipmentMember_1" xlink:title="Label : LabEquipmentMember to label_LabEquipmentMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="MachineryAndEquipmentMember" xlink:title="MachineryAndEquipmentMember" />
    <link:label xlink:type="resource" xlink:label="label_MachineryAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_MachineryAndEquipmentMember" xml:lang="en-US" id="label_MachineryAndEquipmentMember">Machinery [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MachineryAndEquipmentMember" xlink:to="label_MachineryAndEquipmentMember" xlink:title="Label : MachineryAndEquipmentMember to label_MachineryAndEquipmentMember" />
    <link:label xlink:type="resource" xlink:label="label_MachineryAndEquipmentMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_MachineryAndEquipmentMember_1" xml:lang="en-US" id="label_MachineryAndEquipmentMember_1">Machinery and Equipment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MachineryAndEquipmentMember" xlink:to="label_MachineryAndEquipmentMember_1" xlink:title="Label : MachineryAndEquipmentMember to label_MachineryAndEquipmentMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComputerEquipmentMember" xlink:label="ComputerEquipmentMember" xlink:title="ComputerEquipmentMember" />
    <link:label xlink:type="resource" xlink:label="label_ComputerEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ComputerEquipmentMember" xml:lang="en-US" id="label_ComputerEquipmentMember">Computer Equipment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComputerEquipmentMember" xlink:to="label_ComputerEquipmentMember" xlink:title="Label : ComputerEquipmentMember to label_ComputerEquipmentMember" />
    <link:label xlink:type="resource" xlink:label="label_ComputerEquipmentMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ComputerEquipmentMember_1" xml:lang="en-US" id="label_ComputerEquipmentMember_1">Computer Equipment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComputerEquipmentMember" xlink:to="label_ComputerEquipmentMember_1" xlink:title="Label : ComputerEquipmentMember to label_ComputerEquipmentMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="FurnitureAndFixturesMember" xlink:title="FurnitureAndFixturesMember" />
    <link:label xlink:type="resource" xlink:label="label_FurnitureAndFixturesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FurnitureAndFixturesMember" xml:lang="en-US" id="label_FurnitureAndFixturesMember">Furniture [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FurnitureAndFixturesMember" xlink:to="label_FurnitureAndFixturesMember" xlink:title="Label : FurnitureAndFixturesMember to label_FurnitureAndFixturesMember" />
    <link:label xlink:type="resource" xlink:label="label_FurnitureAndFixturesMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FurnitureAndFixturesMember_1" xml:lang="en-US" id="label_FurnitureAndFixturesMember_1">Furniture and Fixtures [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FurnitureAndFixturesMember" xlink:to="label_FurnitureAndFixturesMember_1" xlink:title="Label : FurnitureAndFixturesMember to label_FurnitureAndFixturesMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="PropertyPlantAndEquipmentLineItems" xlink:title="PropertyPlantAndEquipmentLineItems" />
    <link:label xlink:type="resource" xlink:label="label_PropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PropertyPlantAndEquipmentLineItems" xml:lang="en-US" id="label_PropertyPlantAndEquipmentLineItems">Schedule of Property and Equipment [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentLineItems" xlink:to="label_PropertyPlantAndEquipmentLineItems" xlink:title="Label : PropertyPlantAndEquipmentLineItems to label_PropertyPlantAndEquipmentLineItems" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="PropertyPlantAndEquipmentGross" xlink:title="PropertyPlantAndEquipmentGross" />
    <link:label xlink:type="resource" xlink:label="label_PropertyPlantAndEquipmentGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PropertyPlantAndEquipmentGross" xml:lang="en-US" id="label_PropertyPlantAndEquipmentGross">Property and Equipment, at cost</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentGross" xlink:to="label_PropertyPlantAndEquipmentGross" xlink:title="Label : PropertyPlantAndEquipmentGross to label_PropertyPlantAndEquipmentGross" />
    <link:label xlink:type="resource" xlink:label="label_PropertyPlantAndEquipmentGross_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PropertyPlantAndEquipmentGross_1" xml:lang="en-US" id="label_PropertyPlantAndEquipmentGross_1">Property, Plant and Equipment, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentGross" xlink:to="label_PropertyPlantAndEquipmentGross_1" xlink:title="Label : PropertyPlantAndEquipmentGross to label_PropertyPlantAndEquipmentGross_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <link:label xlink:type="resource" xlink:label="label_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US" id="label_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment">Accumulated Depreciation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="label_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="Label : AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment to label_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <link:label xlink:type="resource" xlink:label="label_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_1" xml:lang="en-US" id="label_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_1">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="label_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_1" xlink:title="Label : AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment to label_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_CapitalizedWebsiteDevelopmentrelatedCosts" xlink:label="CapitalizedWebsiteDevelopmentrelatedCosts" xlink:title="CapitalizedWebsiteDevelopmentrelatedCosts" />
    <link:label xlink:type="resource" xlink:label="label_CapitalizedWebsiteDevelopmentrelatedCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CapitalizedWebsiteDevelopmentrelatedCosts" xml:lang="en-US" id="label_CapitalizedWebsiteDevelopmentrelatedCosts">Capitalized website development-related costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapitalizedWebsiteDevelopmentrelatedCosts" xlink:to="label_CapitalizedWebsiteDevelopmentrelatedCosts" xlink:title="Label : CapitalizedWebsiteDevelopmentrelatedCosts to label_CapitalizedWebsiteDevelopmentrelatedCosts" />
    <link:label xlink:type="resource" xlink:label="label_CapitalizedWebsiteDevelopmentrelatedCosts_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_CapitalizedWebsiteDevelopmentrelatedCosts_1" xml:lang="en-US" id="label_CapitalizedWebsiteDevelopmentrelatedCosts_1">Amount of capitalized website development-related costs.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapitalizedWebsiteDevelopmentrelatedCosts" xlink:to="label_CapitalizedWebsiteDevelopmentrelatedCosts_1" xlink:title="Label : CapitalizedWebsiteDevelopmentrelatedCosts to label_CapitalizedWebsiteDevelopmentrelatedCosts_1" />
    <link:label xlink:type="resource" xlink:label="label_CapitalizedWebsiteDevelopmentrelatedCosts_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CapitalizedWebsiteDevelopmentrelatedCosts_2" xml:lang="en-US" id="label_CapitalizedWebsiteDevelopmentrelatedCosts_2">Capitalized Website Developmentrelated Costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapitalizedWebsiteDevelopmentrelatedCosts" xlink:to="label_CapitalizedWebsiteDevelopmentrelatedCosts_2" xlink:title="Label : CapitalizedWebsiteDevelopmentrelatedCosts to label_CapitalizedWebsiteDevelopmentrelatedCosts_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="AmortizationOfIntangibleAssets" xlink:title="AmortizationOfIntangibleAssets" />
    <link:label xlink:type="resource" xlink:label="label_AmortizationOfIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AmortizationOfIntangibleAssets" xml:lang="en-US" id="label_AmortizationOfIntangibleAssets">Amortization expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationOfIntangibleAssets" xlink:to="label_AmortizationOfIntangibleAssets" xlink:title="Label : AmortizationOfIntangibleAssets to label_AmortizationOfIntangibleAssets" />
    <link:label xlink:type="resource" xlink:label="label_AmortizationOfIntangibleAssets_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AmortizationOfIntangibleAssets_1" xml:lang="en-US" id="label_AmortizationOfIntangibleAssets_1">Amortization of Intangible Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationOfIntangibleAssets" xlink:to="label_AmortizationOfIntangibleAssets_1" xlink:title="Label : AmortizationOfIntangibleAssets to label_AmortizationOfIntangibleAssets_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill" xlink:label="ImpairmentOfIntangibleAssetsExcludingGoodwill" xlink:title="ImpairmentOfIntangibleAssetsExcludingGoodwill" />
    <link:label xlink:type="resource" xlink:label="label_ImpairmentOfIntangibleAssetsExcludingGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ImpairmentOfIntangibleAssetsExcludingGoodwill" xml:lang="en-US" id="label_ImpairmentOfIntangibleAssetsExcludingGoodwill">Write-downs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ImpairmentOfIntangibleAssetsExcludingGoodwill" xlink:to="label_ImpairmentOfIntangibleAssetsExcludingGoodwill" xlink:title="Label : ImpairmentOfIntangibleAssetsExcludingGoodwill to label_ImpairmentOfIntangibleAssetsExcludingGoodwill" />
    <link:label xlink:type="resource" xlink:label="label_ImpairmentOfIntangibleAssetsExcludingGoodwill_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ImpairmentOfIntangibleAssetsExcludingGoodwill_1" xml:lang="en-US" id="label_ImpairmentOfIntangibleAssetsExcludingGoodwill_1">Impairment of Intangible Assets (Excluding Goodwill)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ImpairmentOfIntangibleAssetsExcludingGoodwill" xlink:to="label_ImpairmentOfIntangibleAssetsExcludingGoodwill_1" xlink:title="Label : ImpairmentOfIntangibleAssetsExcludingGoodwill to label_ImpairmentOfIntangibleAssetsExcludingGoodwill_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_CapitalizedPatentExpenses" xlink:label="CapitalizedPatentExpenses" xlink:title="CapitalizedPatentExpenses" />
    <link:label xlink:type="resource" xlink:label="label_CapitalizedPatentExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CapitalizedPatentExpenses" xml:lang="en-US" id="label_CapitalizedPatentExpenses">Capitalized patent expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapitalizedPatentExpenses" xlink:to="label_CapitalizedPatentExpenses" xlink:title="Label : CapitalizedPatentExpenses to label_CapitalizedPatentExpenses" />
    <link:label xlink:type="resource" xlink:label="label_CapitalizedPatentExpenses_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_CapitalizedPatentExpenses_1" xml:lang="en-US" id="label_CapitalizedPatentExpenses_1">Amount of capitalized patent expenses.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapitalizedPatentExpenses" xlink:to="label_CapitalizedPatentExpenses_1" xlink:title="Label : CapitalizedPatentExpenses to label_CapitalizedPatentExpenses_1" />
    <link:label xlink:type="resource" xlink:label="label_CapitalizedPatentExpenses_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CapitalizedPatentExpenses_2" xml:lang="en-US" id="label_CapitalizedPatentExpenses_2">Capitalized Patent Expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapitalizedPatentExpenses" xlink:to="label_CapitalizedPatentExpenses_2" xlink:title="Label : CapitalizedPatentExpenses to label_CapitalizedPatentExpenses_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:label="IntangibleAssetsNetExcludingGoodwillAbstract" xlink:title="IntangibleAssetsNetExcludingGoodwillAbstract" />
    <link:label xlink:type="resource" xlink:label="label_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IntangibleAssetsNetExcludingGoodwillAbstract" xml:lang="en-US" id="label_IntangibleAssetsNetExcludingGoodwillAbstract">Schedule of Intangible Assets [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IntangibleAssetsNetExcludingGoodwillAbstract" xlink:to="label_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:title="Label : IntangibleAssetsNetExcludingGoodwillAbstract to label_IntangibleAssetsNetExcludingGoodwillAbstract" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedPatentsGross" xlink:label="FiniteLivedPatentsGross" xlink:title="FiniteLivedPatentsGross" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedPatentsGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FiniteLivedPatentsGross" xml:lang="en-US" id="label_FiniteLivedPatentsGross">Patents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedPatentsGross" xlink:to="label_FiniteLivedPatentsGross" xlink:title="Label : FiniteLivedPatentsGross to label_FiniteLivedPatentsGross" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedPatentsGross_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FiniteLivedPatentsGross_1" xml:lang="en-US" id="label_FiniteLivedPatentsGross_1">Finite-Lived Patents, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedPatentsGross" xlink:to="label_FiniteLivedPatentsGross_1" xlink:title="Label : FiniteLivedPatentsGross to label_FiniteLivedPatentsGross_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_FiniteLivedWebsiteDevelopmentCostsGross" xlink:label="FiniteLivedWebsiteDevelopmentCostsGross" xlink:title="FiniteLivedWebsiteDevelopmentCostsGross" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedWebsiteDevelopmentCostsGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FiniteLivedWebsiteDevelopmentCostsGross" xml:lang="en-US" id="label_FiniteLivedWebsiteDevelopmentCostsGross">Website Development Costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedWebsiteDevelopmentCostsGross" xlink:to="label_FiniteLivedWebsiteDevelopmentCostsGross" xlink:title="Label : FiniteLivedWebsiteDevelopmentCostsGross to label_FiniteLivedWebsiteDevelopmentCostsGross" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedWebsiteDevelopmentCostsGross_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_FiniteLivedWebsiteDevelopmentCostsGross_1" xml:lang="en-US" id="label_FiniteLivedWebsiteDevelopmentCostsGross_1">Gross carrying amount before accumulated amortization as of the balance sheet date of the costs.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedWebsiteDevelopmentCostsGross" xlink:to="label_FiniteLivedWebsiteDevelopmentCostsGross_1" xlink:title="Label : FiniteLivedWebsiteDevelopmentCostsGross to label_FiniteLivedWebsiteDevelopmentCostsGross_1" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedWebsiteDevelopmentCostsGross_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FiniteLivedWebsiteDevelopmentCostsGross_2" xml:lang="en-US" id="label_FiniteLivedWebsiteDevelopmentCostsGross_2">Finite Lived Website Development Costs Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedWebsiteDevelopmentCostsGross" xlink:to="label_FiniteLivedWebsiteDevelopmentCostsGross_2" xlink:title="Label : FiniteLivedWebsiteDevelopmentCostsGross to label_FiniteLivedWebsiteDevelopmentCostsGross_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="FiniteLivedIntangibleAssetsGross" xlink:title="FiniteLivedIntangibleAssetsGross" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetsGross" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_FiniteLivedIntangibleAssetsGross" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetsGross">Intangible Assets, at cost</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsGross" xlink:to="label_FiniteLivedIntangibleAssetsGross" xlink:title="Label : FiniteLivedIntangibleAssetsGross to label_FiniteLivedIntangibleAssetsGross" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetsGross_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FiniteLivedIntangibleAssetsGross_1" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetsGross_1">Finite-Lived Intangible Assets, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsGross" xlink:to="label_FiniteLivedIntangibleAssetsGross_1" xlink:title="Label : FiniteLivedIntangibleAssetsGross to label_FiniteLivedIntangibleAssetsGross_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:title="FiniteLivedIntangibleAssetsAccumulatedAmortization" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetsAccumulatedAmortization">Accumulated Amortization</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="label_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:title="Label : FiniteLivedIntangibleAssetsAccumulatedAmortization to label_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetsAccumulatedAmortization_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FiniteLivedIntangibleAssetsAccumulatedAmortization_1" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetsAccumulatedAmortization_1">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="label_FiniteLivedIntangibleAssetsAccumulatedAmortization_1" xlink:title="Label : FiniteLivedIntangibleAssetsAccumulatedAmortization to label_FiniteLivedIntangibleAssetsAccumulatedAmortization_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ScheduleOfEstimatedFutureAmortizationExpenseForOurPatentsAndWebsiteDevelopmentCostsAbstract" xlink:label="ScheduleOfEstimatedFutureAmortizationExpenseForOurPatentsAndWebsiteDevelopmentCostsAbstract" xlink:title="ScheduleOfEstimatedFutureAmortizationExpenseForOurPatentsAndWebsiteDevelopmentCostsAbstract" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfEstimatedFutureAmortizationExpenseForOurPatentsAndWebsiteDevelopmentCostsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfEstimatedFutureAmortizationExpenseForOurPatentsAndWebsiteDevelopmentCostsAbstract" xml:lang="en-US" id="label_ScheduleOfEstimatedFutureAmortizationExpenseForOurPatentsAndWebsiteDevelopmentCostsAbstract">Schedule Of Estimated Future Amortization Expense For Our Patents And Website Development Costs Abstract</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfEstimatedFutureAmortizationExpenseForOurPatentsAndWebsiteDevelopmentCostsAbstract" xlink:to="label_ScheduleOfEstimatedFutureAmortizationExpenseForOurPatentsAndWebsiteDevelopmentCostsAbstract" xlink:title="Label : ScheduleOfEstimatedFutureAmortizationExpenseForOurPatentsAndWebsiteDevelopmentCostsAbstract to label_ScheduleOfEstimatedFutureAmortizationExpenseForOurPatentsAndWebsiteDevelopmentCostsAbstract" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_IntangibleAssetsScheduleofEstimatedFutureAmortizationExpenseforOurPatentsandWebsiteDevelopmentCostsDetailsTable" xlink:label="IntangibleAssetsScheduleofEstimatedFutureAmortizationExpenseforOurPatentsandWebsiteDevelopmentCostsDetailsTable" xlink:title="IntangibleAssetsScheduleofEstimatedFutureAmortizationExpenseforOurPatentsandWebsiteDevelopmentCostsDetailsTable" />
    <link:label xlink:type="resource" xlink:label="label_IntangibleAssetsScheduleofEstimatedFutureAmortizationExpenseforOurPatentsandWebsiteDevelopmentCostsDetailsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IntangibleAssetsScheduleofEstimatedFutureAmortizationExpenseforOurPatentsandWebsiteDevelopmentCostsDetailsTable" xml:lang="en-US" id="label_IntangibleAssetsScheduleofEstimatedFutureAmortizationExpenseforOurPatentsandWebsiteDevelopmentCostsDetailsTable">Intangible Assets - Schedule of Estimated Future Amortization Expense for Our Patents and Website Development Costs (Details) [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IntangibleAssetsScheduleofEstimatedFutureAmortizationExpenseforOurPatentsandWebsiteDevelopmentCostsDetailsTable" xlink:to="label_IntangibleAssetsScheduleofEstimatedFutureAmortizationExpenseforOurPatentsandWebsiteDevelopmentCostsDetailsTable" xlink:title="Label : IntangibleAssetsScheduleofEstimatedFutureAmortizationExpenseforOurPatentsandWebsiteDevelopmentCostsDetailsTable to label_IntangibleAssetsScheduleofEstimatedFutureAmortizationExpenseforOurPatentsandWebsiteDevelopmentCostsDetailsTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FiniteLivedIntangibleAssetsByMajorClassAxis" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetsByMajorClassAxis">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="label_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="Label : FiniteLivedIntangibleAssetsByMajorClassAxis to label_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PatentsMember" xlink:label="PatentsMember" xlink:title="PatentsMember" />
    <link:label xlink:type="resource" xlink:label="label_PatentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PatentsMember" xml:lang="en-US" id="label_PatentsMember">Patents [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PatentsMember" xlink:to="label_PatentsMember" xlink:title="Label : PatentsMember to label_PatentsMember" />
    <link:label xlink:type="resource" xlink:label="label_PatentsMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PatentsMember_1" xml:lang="en-US" id="label_PatentsMember_1">Patents [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PatentsMember" xlink:to="label_PatentsMember_1" xlink:title="Label : PatentsMember to label_PatentsMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:label="SoftwareAndSoftwareDevelopmentCostsMember" xlink:title="SoftwareAndSoftwareDevelopmentCostsMember" />
    <link:label xlink:type="resource" xlink:label="label_SoftwareAndSoftwareDevelopmentCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SoftwareAndSoftwareDevelopmentCostsMember" xml:lang="en-US" id="label_SoftwareAndSoftwareDevelopmentCostsMember">Website Development Costs [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SoftwareAndSoftwareDevelopmentCostsMember" xlink:to="label_SoftwareAndSoftwareDevelopmentCostsMember" xlink:title="Label : SoftwareAndSoftwareDevelopmentCostsMember to label_SoftwareAndSoftwareDevelopmentCostsMember" />
    <link:label xlink:type="resource" xlink:label="label_SoftwareAndSoftwareDevelopmentCostsMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SoftwareAndSoftwareDevelopmentCostsMember_1" xml:lang="en-US" id="label_SoftwareAndSoftwareDevelopmentCostsMember_1">Software and Software Development Costs [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SoftwareAndSoftwareDevelopmentCostsMember" xlink:to="label_SoftwareAndSoftwareDevelopmentCostsMember_1" xlink:title="Label : SoftwareAndSoftwareDevelopmentCostsMember to label_SoftwareAndSoftwareDevelopmentCostsMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="FiniteLivedIntangibleAssetsLineItems" xlink:title="FiniteLivedIntangibleAssetsLineItems" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsLineItems" xlink:to="label_FiniteLivedIntangibleAssetsLineItems" xlink:title="Label : FiniteLivedIntangibleAssetsLineItems to label_FiniteLivedIntangibleAssetsLineItems" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:label="FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:title="FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive">Thereafter</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:to="label_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:title="Label : FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive to label_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_1" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_1">Finite-Lived Intangible Asset, Expected Amortization, after Year Five</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:to="label_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_1" xlink:title="Label : FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive to label_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="FiniteLivedIntangibleAssetsNet" xlink:title="FiniteLivedIntangibleAssetsNet" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetsNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_FiniteLivedIntangibleAssetsNet" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetsNet">Total</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsNet" xlink:to="label_FiniteLivedIntangibleAssetsNet" xlink:title="Label : FiniteLivedIntangibleAssetsNet to label_FiniteLivedIntangibleAssetsNet" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetsNet_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FiniteLivedIntangibleAssetsNet_1" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetsNet_1">Finite-Lived Intangible Assets, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsNet" xlink:to="label_FiniteLivedIntangibleAssetsNet_1" xlink:title="Label : FiniteLivedIntangibleAssetsNet to label_FiniteLivedIntangibleAssetsNet_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FiniteLivedIntangibleAssetsMajorClassNameDomain" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetsMajorClassNameDomain">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="label_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="Label : FiniteLivedIntangibleAssetsMajorClassNameDomain to label_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_StockholdersEquityDetailsTable" xlink:label="StockholdersEquityDetailsTable" xlink:title="StockholdersEquityDetailsTable" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityDetailsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockholdersEquityDetailsTable" xml:lang="en-US" id="label_StockholdersEquityDetailsTable">Stockholders' Equity (Details) [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityDetailsTable" xlink:to="label_StockholdersEquityDetailsTable" xlink:title="Label : StockholdersEquityDetailsTable to label_StockholdersEquityDetailsTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OverAllotmentOptionMember" xlink:label="OverAllotmentOptionMember" xlink:title="OverAllotmentOptionMember" />
    <link:label xlink:type="resource" xlink:label="label_OverAllotmentOptionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OverAllotmentOptionMember" xml:lang="en-US" id="label_OverAllotmentOptionMember">Over-Allotment Option [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OverAllotmentOptionMember" xlink:to="label_OverAllotmentOptionMember" xlink:title="Label : OverAllotmentOptionMember to label_OverAllotmentOptionMember" />
    <link:label xlink:type="resource" xlink:label="label_OverAllotmentOptionMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OverAllotmentOptionMember_1" xml:lang="en-US" id="label_OverAllotmentOptionMember_1">Over-Allotment Option [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OverAllotmentOptionMember" xlink:to="label_OverAllotmentOptionMember_1" xlink:title="Label : OverAllotmentOptionMember to label_OverAllotmentOptionMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SeriesANonVotingConvertiblePreferredStockMember" xlink:label="SeriesANonVotingConvertiblePreferredStockMember" xlink:title="SeriesANonVotingConvertiblePreferredStockMember" />
    <link:label xlink:type="resource" xlink:label="label_SeriesANonVotingConvertiblePreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SeriesANonVotingConvertiblePreferredStockMember" xml:lang="en-US" id="label_SeriesANonVotingConvertiblePreferredStockMember">Series A Non-Voting Convertible Preferred Stock [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesANonVotingConvertiblePreferredStockMember" xlink:to="label_SeriesANonVotingConvertiblePreferredStockMember" xlink:title="Label : SeriesANonVotingConvertiblePreferredStockMember to label_SeriesANonVotingConvertiblePreferredStockMember" />
    <link:label xlink:type="resource" xlink:label="label_SeriesANonVotingConvertiblePreferredStockMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SeriesANonVotingConvertiblePreferredStockMember_1" xml:lang="en-US" id="label_SeriesANonVotingConvertiblePreferredStockMember_1">Series ANon Voting Convertible Preferred Stock Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesANonVotingConvertiblePreferredStockMember" xlink:to="label_SeriesANonVotingConvertiblePreferredStockMember_1" xlink:title="Label : SeriesANonVotingConvertiblePreferredStockMember to label_SeriesANonVotingConvertiblePreferredStockMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionAxis" xlink:label="RelatedPartyTransactionAxis" xlink:title="RelatedPartyTransactionAxis" />
    <link:label xlink:type="resource" xlink:label="label_RelatedPartyTransactionAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RelatedPartyTransactionAxis" xml:lang="en-US" id="label_RelatedPartyTransactionAxis">Related Party Transaction [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionAxis" xlink:to="label_RelatedPartyTransactionAxis" xlink:title="Label : RelatedPartyTransactionAxis to label_RelatedPartyTransactionAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionDomain" xlink:label="RelatedPartyTransactionDomain" xlink:title="RelatedPartyTransactionDomain" />
    <link:label xlink:type="resource" xlink:label="label_RelatedPartyTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RelatedPartyTransactionDomain" xml:lang="en-US" id="label_RelatedPartyTransactionDomain">Related Party Transaction [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionDomain" xlink:to="label_RelatedPartyTransactionDomain" xlink:title="Label : RelatedPartyTransactionDomain to label_RelatedPartyTransactionDomain" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_WallachBethCapitalLLCMember" xlink:label="WallachBethCapitalLLCMember" xlink:title="WallachBethCapitalLLCMember" />
    <link:label xlink:type="resource" xlink:label="label_WallachBethCapitalLLCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_WallachBethCapitalLLCMember" xml:lang="en-US" id="label_WallachBethCapitalLLCMember">WallachBeth Capital LLC [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WallachBethCapitalLLCMember" xlink:to="label_WallachBethCapitalLLCMember" xlink:title="Label : WallachBethCapitalLLCMember to label_WallachBethCapitalLLCMember" />
    <link:label xlink:type="resource" xlink:label="label_WallachBethCapitalLLCMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_WallachBethCapitalLLCMember_1" xml:lang="en-US" id="label_WallachBethCapitalLLCMember_1">Wallach Beth Capital LLCMember</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WallachBethCapitalLLCMember" xlink:to="label_WallachBethCapitalLLCMember_1" xlink:title="Label : WallachBethCapitalLLCMember to label_WallachBethCapitalLLCMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:label xlink:type="resource" xlink:label="label_RelatedPartyTransactionsByRelatedPartyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RelatedPartyTransactionsByRelatedPartyAxis" xml:lang="en-US" id="label_RelatedPartyTransactionsByRelatedPartyAxis">Related and Nonrelated Parties [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="label_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="Label : RelatedPartyTransactionsByRelatedPartyAxis to label_RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyDomain" xlink:label="RelatedPartyDomain" xlink:title="RelatedPartyDomain" />
    <link:label xlink:type="resource" xlink:label="label_RelatedPartyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RelatedPartyDomain" xml:lang="en-US" id="label_RelatedPartyDomain">Related and Nonrelated Parties [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyDomain" xlink:to="label_RelatedPartyDomain" xlink:title="Label : RelatedPartyDomain to label_RelatedPartyDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AwardDateAxis" xlink:label="AwardDateAxis" xlink:title="AwardDateAxis" />
    <link:label xlink:type="resource" xlink:label="label_AwardDateAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AwardDateAxis" xml:lang="en-US" id="label_AwardDateAxis">Award Date [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AwardDateAxis" xlink:to="label_AwardDateAxis" xlink:title="Label : AwardDateAxis to label_AwardDateAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AwardDateDomain" xlink:label="AwardDateDomain" xlink:title="AwardDateDomain" />
    <link:label xlink:type="resource" xlink:label="label_AwardDateDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AwardDateDomain" xml:lang="en-US" id="label_AwardDateDomain">Award Date [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AwardDateDomain" xlink:to="label_AwardDateDomain" xlink:title="Label : AwardDateDomain to label_AwardDateDomain" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_January2024OfferingMember" xlink:label="January2024OfferingMember" xlink:title="January2024OfferingMember" />
    <link:label xlink:type="resource" xlink:label="label_January2024OfferingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_January2024OfferingMember" xml:lang="en-US" id="label_January2024OfferingMember">January 2024 Offering [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="January2024OfferingMember" xlink:to="label_January2024OfferingMember" xlink:title="Label : January2024OfferingMember to label_January2024OfferingMember" />
    <link:label xlink:type="resource" xlink:label="label_January2024OfferingMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_January2024OfferingMember_1" xml:lang="en-US" id="label_January2024OfferingMember_1">January2024 Offering Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="January2024OfferingMember" xlink:to="label_January2024OfferingMember_1" xlink:title="Label : January2024OfferingMember to label_January2024OfferingMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="ClassOfWarrantOrRightAxis" xlink:title="ClassOfWarrantOrRightAxis" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfWarrantOrRightAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ClassOfWarrantOrRightAxis" xml:lang="en-US" id="label_ClassOfWarrantOrRightAxis">Class of Warrant or Right [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightAxis" xlink:to="label_ClassOfWarrantOrRightAxis" xlink:title="Label : ClassOfWarrantOrRightAxis to label_ClassOfWarrantOrRightAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="ClassOfWarrantOrRightDomain" xlink:title="ClassOfWarrantOrRightDomain" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfWarrantOrRightDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ClassOfWarrantOrRightDomain" xml:lang="en-US" id="label_ClassOfWarrantOrRightDomain">Class of Warrant or Right [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightDomain" xlink:to="label_ClassOfWarrantOrRightDomain" xlink:title="Label : ClassOfWarrantOrRightDomain to label_ClassOfWarrantOrRightDomain" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_PlacementAgentWarrantsMember" xlink:label="PlacementAgentWarrantsMember" xlink:title="PlacementAgentWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_PlacementAgentWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PlacementAgentWarrantsMember" xml:lang="en-US" id="label_PlacementAgentWarrantsMember">Placement Agent Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PlacementAgentWarrantsMember" xlink:to="label_PlacementAgentWarrantsMember" xlink:title="Label : PlacementAgentWarrantsMember to label_PlacementAgentWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_PlacementAgentWarrantsMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PlacementAgentWarrantsMember_1" xml:lang="en-US" id="label_PlacementAgentWarrantsMember_1">Placement Agent Warrants Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PlacementAgentWarrantsMember" xlink:to="label_PlacementAgentWarrantsMember_1" xlink:title="Label : PlacementAgentWarrantsMember to label_PlacementAgentWarrantsMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_PreFundedWarrantMember" xlink:label="PreFundedWarrantMember" xlink:title="PreFundedWarrantMember" />
    <link:label xlink:type="resource" xlink:label="label_PreFundedWarrantMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PreFundedWarrantMember" xml:lang="en-US" id="label_PreFundedWarrantMember">Pre-Funded Warrant [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreFundedWarrantMember" xlink:to="label_PreFundedWarrantMember" xlink:title="Label : PreFundedWarrantMember to label_PreFundedWarrantMember" />
    <link:label xlink:type="resource" xlink:label="label_PreFundedWarrantMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PreFundedWarrantMember_1" xml:lang="en-US" id="label_PreFundedWarrantMember_1">Pre Funded Warrant Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreFundedWarrantMember" xlink:to="label_PreFundedWarrantMember_1" xlink:title="Label : PreFundedWarrantMember to label_PreFundedWarrantMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_JanuaryTwoThousandTwentyFourPreFundedWarrantsMember" xlink:label="JanuaryTwoThousandTwentyFourPreFundedWarrantsMember" xlink:title="JanuaryTwoThousandTwentyFourPreFundedWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_JanuaryTwoThousandTwentyFourPreFundedWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_JanuaryTwoThousandTwentyFourPreFundedWarrantsMember" xml:lang="en-US" id="label_JanuaryTwoThousandTwentyFourPreFundedWarrantsMember">January 2024 Pre-Funded Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JanuaryTwoThousandTwentyFourPreFundedWarrantsMember" xlink:to="label_JanuaryTwoThousandTwentyFourPreFundedWarrantsMember" xlink:title="Label : JanuaryTwoThousandTwentyFourPreFundedWarrantsMember to label_JanuaryTwoThousandTwentyFourPreFundedWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_JanuaryTwoThousandTwentyFourPreFundedWarrantsMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_JanuaryTwoThousandTwentyFourPreFundedWarrantsMember_1" xml:lang="en-US" id="label_JanuaryTwoThousandTwentyFourPreFundedWarrantsMember_1">January Two Thousand Twenty Four Pre Funded Warrants Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JanuaryTwoThousandTwentyFourPreFundedWarrantsMember" xlink:to="label_JanuaryTwoThousandTwentyFourPreFundedWarrantsMember_1" xlink:title="Label : JanuaryTwoThousandTwentyFourPreFundedWarrantsMember to label_JanuaryTwoThousandTwentyFourPreFundedWarrantsMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_JanuaryTwoThousandTwentyFourWarrantMember" xlink:label="JanuaryTwoThousandTwentyFourWarrantMember" xlink:title="JanuaryTwoThousandTwentyFourWarrantMember" />
    <link:label xlink:type="resource" xlink:label="label_JanuaryTwoThousandTwentyFourWarrantMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_JanuaryTwoThousandTwentyFourWarrantMember" xml:lang="en-US" id="label_JanuaryTwoThousandTwentyFourWarrantMember">January 2024 Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JanuaryTwoThousandTwentyFourWarrantMember" xlink:to="label_JanuaryTwoThousandTwentyFourWarrantMember" xlink:title="Label : JanuaryTwoThousandTwentyFourWarrantMember to label_JanuaryTwoThousandTwentyFourWarrantMember" />
    <link:label xlink:type="resource" xlink:label="label_JanuaryTwoThousandTwentyFourWarrantMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_JanuaryTwoThousandTwentyFourWarrantMember_1" xml:lang="en-US" id="label_JanuaryTwoThousandTwentyFourWarrantMember_1">January Two Thousand Twenty Four Warrant Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JanuaryTwoThousandTwentyFourWarrantMember" xlink:to="label_JanuaryTwoThousandTwentyFourWarrantMember_1" xlink:title="Label : JanuaryTwoThousandTwentyFourWarrantMember to label_JanuaryTwoThousandTwentyFourWarrantMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_JanuaryRepresentativeWarrantsMember" xlink:label="JanuaryRepresentativeWarrantsMember" xlink:title="JanuaryRepresentativeWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_JanuaryRepresentativeWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_JanuaryRepresentativeWarrantsMember" xml:lang="en-US" id="label_JanuaryRepresentativeWarrantsMember">January 2024 Representative Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JanuaryRepresentativeWarrantsMember" xlink:to="label_JanuaryRepresentativeWarrantsMember" xlink:title="Label : JanuaryRepresentativeWarrantsMember to label_JanuaryRepresentativeWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_JanuaryRepresentativeWarrantsMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_JanuaryRepresentativeWarrantsMember_1" xml:lang="en-US" id="label_JanuaryRepresentativeWarrantsMember_1">January Representative Warrants Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JanuaryRepresentativeWarrantsMember" xlink:to="label_JanuaryRepresentativeWarrantsMember_1" xlink:title="Label : JanuaryRepresentativeWarrantsMember to label_JanuaryRepresentativeWarrantsMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockLineItems" xlink:label="ClassOfStockLineItems" xlink:title="ClassOfStockLineItems" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfStockLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ClassOfStockLineItems" xml:lang="en-US" id="label_ClassOfStockLineItems">Stockholders&#x2019; Equity [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfStockLineItems" xlink:to="label_ClassOfStockLineItems" xlink:title="Label : ClassOfStockLineItems to label_ClassOfStockLineItems" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ExcessStockSharesAuthorized" xlink:label="ExcessStockSharesAuthorized" xlink:title="ExcessStockSharesAuthorized" />
    <link:label xlink:type="resource" xlink:label="label_ExcessStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ExcessStockSharesAuthorized" xml:lang="en-US" id="label_ExcessStockSharesAuthorized">Designated shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExcessStockSharesAuthorized" xlink:to="label_ExcessStockSharesAuthorized" xlink:title="Label : ExcessStockSharesAuthorized to label_ExcessStockSharesAuthorized" />
    <link:label xlink:type="resource" xlink:label="label_ExcessStockSharesAuthorized_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_ExcessStockSharesAuthorized_1" xml:lang="en-US" id="label_ExcessStockSharesAuthorized_1">Designated shares (in Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExcessStockSharesAuthorized" xlink:to="label_ExcessStockSharesAuthorized_1" xlink:title="Label : ExcessStockSharesAuthorized to label_ExcessStockSharesAuthorized_1" />
    <link:label xlink:type="resource" xlink:label="label_ExcessStockSharesAuthorized_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ExcessStockSharesAuthorized_2" xml:lang="en-US" id="label_ExcessStockSharesAuthorized_2">Excess Stock, Shares Authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExcessStockSharesAuthorized" xlink:to="label_ExcessStockSharesAuthorized_2" xlink:title="Label : ExcessStockSharesAuthorized to label_ExcessStockSharesAuthorized_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized">Additional common share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_1">Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:title="ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xml:lang="en-US" id="label_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights">Exercise of warrants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:to="label_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:title="Label : ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights to label_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_1" xml:lang="en-US" id="label_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_1">Class of Warrant or Right, Number of Securities Called by Warrants or Rights</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:to="label_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_1" xlink:title="Label : ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights to label_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="SaleOfStockNumberOfSharesIssuedInTransaction" xlink:title="SaleOfStockNumberOfSharesIssuedInTransaction" />
    <link:label xlink:type="resource" xlink:label="label_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SaleOfStockNumberOfSharesIssuedInTransaction" xml:lang="en-US" id="label_SaleOfStockNumberOfSharesIssuedInTransaction">Aggregate shares of common stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SaleOfStockNumberOfSharesIssuedInTransaction" xlink:to="label_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:title="Label : SaleOfStockNumberOfSharesIssuedInTransaction to label_SaleOfStockNumberOfSharesIssuedInTransaction" />
    <link:label xlink:type="resource" xlink:label="label_SaleOfStockNumberOfSharesIssuedInTransaction_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SaleOfStockNumberOfSharesIssuedInTransaction_1" xml:lang="en-US" id="label_SaleOfStockNumberOfSharesIssuedInTransaction_1">Sale of Stock, Number of Shares Issued in Transaction</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SaleOfStockNumberOfSharesIssuedInTransaction" xlink:to="label_SaleOfStockNumberOfSharesIssuedInTransaction_1" xlink:title="Label : SaleOfStockNumberOfSharesIssuedInTransaction to label_SaleOfStockNumberOfSharesIssuedInTransaction_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_UnitsIssuedDuringPeriodSharesNewIssues" xlink:label="UnitsIssuedDuringPeriodSharesNewIssues" xlink:title="UnitsIssuedDuringPeriodSharesNewIssues" />
    <link:label xlink:type="resource" xlink:label="label_UnitsIssuedDuringPeriodSharesNewIssues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_UnitsIssuedDuringPeriodSharesNewIssues" xml:lang="en-US" id="label_UnitsIssuedDuringPeriodSharesNewIssues">Units issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnitsIssuedDuringPeriodSharesNewIssues" xlink:to="label_UnitsIssuedDuringPeriodSharesNewIssues" xlink:title="Label : UnitsIssuedDuringPeriodSharesNewIssues to label_UnitsIssuedDuringPeriodSharesNewIssues" />
    <link:label xlink:type="resource" xlink:label="label_UnitsIssuedDuringPeriodSharesNewIssues_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_UnitsIssuedDuringPeriodSharesNewIssues_1" xml:lang="en-US" id="label_UnitsIssuedDuringPeriodSharesNewIssues_1">Number of units issued during the period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnitsIssuedDuringPeriodSharesNewIssues" xlink:to="label_UnitsIssuedDuringPeriodSharesNewIssues_1" xlink:title="Label : UnitsIssuedDuringPeriodSharesNewIssues to label_UnitsIssuedDuringPeriodSharesNewIssues_1" />
    <link:label xlink:type="resource" xlink:label="label_UnitsIssuedDuringPeriodSharesNewIssues_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_UnitsIssuedDuringPeriodSharesNewIssues_2" xml:lang="en-US" id="label_UnitsIssuedDuringPeriodSharesNewIssues_2">Units Issued During Period Shares New Issues</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnitsIssuedDuringPeriodSharesNewIssues" xlink:to="label_UnitsIssuedDuringPeriodSharesNewIssues_2" xlink:title="Label : UnitsIssuedDuringPeriodSharesNewIssues to label_UnitsIssuedDuringPeriodSharesNewIssues_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfWarrantOrRightOutstanding" xlink:label="ClassOfWarrantOrRightOutstanding" xlink:title="ClassOfWarrantOrRightOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfWarrantOrRightOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ClassOfWarrantOrRightOutstanding" xml:lang="en-US" id="label_ClassOfWarrantOrRightOutstanding">Warrant shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightOutstanding" xlink:to="label_ClassOfWarrantOrRightOutstanding" xlink:title="Label : ClassOfWarrantOrRightOutstanding to label_ClassOfWarrantOrRightOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfWarrantOrRightOutstanding_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ClassOfWarrantOrRightOutstanding_1" xml:lang="en-US" id="label_ClassOfWarrantOrRightOutstanding_1">Class of Warrant or Right, Outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightOutstanding" xlink:to="label_ClassOfWarrantOrRightOutstanding_1" xlink:title="Label : ClassOfWarrantOrRightOutstanding to label_ClassOfWarrantOrRightOutstanding_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SharesOfWarrants" xlink:label="SharesOfWarrants" xlink:title="SharesOfWarrants" />
    <link:label xlink:type="resource" xlink:label="label_SharesOfWarrants" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SharesOfWarrants" xml:lang="en-US" id="label_SharesOfWarrants">Shares warrants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesOfWarrants" xlink:to="label_SharesOfWarrants" xlink:title="Label : SharesOfWarrants to label_SharesOfWarrants" />
    <link:label xlink:type="resource" xlink:label="label_SharesOfWarrants_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SharesOfWarrants_1" xml:lang="en-US" id="label_SharesOfWarrants_1">Number of shares warrants.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesOfWarrants" xlink:to="label_SharesOfWarrants_1" xlink:title="Label : SharesOfWarrants to label_SharesOfWarrants_1" />
    <link:label xlink:type="resource" xlink:label="label_SharesOfWarrants_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SharesOfWarrants_2" xml:lang="en-US" id="label_SharesOfWarrants_2">Shares Of Warrants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesOfWarrants" xlink:to="label_SharesOfWarrants_2" xlink:title="Label : SharesOfWarrants to label_SharesOfWarrants_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_NumberofWarrantExercisable" xlink:label="NumberofWarrantExercisable" xlink:title="NumberofWarrantExercisable" />
    <link:label xlink:type="resource" xlink:label="label_NumberofWarrantExercisable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NumberofWarrantExercisable" xml:lang="en-US" id="label_NumberofWarrantExercisable">Number of warrant exercisable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberofWarrantExercisable" xlink:to="label_NumberofWarrantExercisable" xlink:title="Label : NumberofWarrantExercisable to label_NumberofWarrantExercisable" />
    <link:label xlink:type="resource" xlink:label="label_NumberofWarrantExercisable_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_NumberofWarrantExercisable_1" xml:lang="en-US" id="label_NumberofWarrantExercisable_1">Number of warrants exercisable.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberofWarrantExercisable" xlink:to="label_NumberofWarrantExercisable_1" xlink:title="Label : NumberofWarrantExercisable to label_NumberofWarrantExercisable_1" />
    <link:label xlink:type="resource" xlink:label="label_NumberofWarrantExercisable_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NumberofWarrantExercisable_2" xml:lang="en-US" id="label_NumberofWarrantExercisable_2">Numberof Warrant Exercisable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberofWarrantExercisable" xlink:to="label_NumberofWarrantExercisable_2" xlink:title="Label : NumberofWarrantExercisable to label_NumberofWarrantExercisable_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_NumberOfShares" xlink:label="NumberOfShares" xlink:title="NumberOfShares" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NumberOfShares" xml:lang="en-US" id="label_NumberOfShares">Number of shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfShares" xlink:to="label_NumberOfShares" xlink:title="Label : NumberOfShares to label_NumberOfShares" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfShares_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_NumberOfShares_1" xml:lang="en-US" id="label_NumberOfShares_1">Number of shares purchased or issued.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfShares" xlink:to="label_NumberOfShares_1" xlink:title="Label : NumberOfShares to label_NumberOfShares_1" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfShares_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NumberOfShares_2" xml:lang="en-US" id="label_NumberOfShares_2">Number Of Shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfShares" xlink:to="label_NumberOfShares_2" xlink:title="Label : NumberOfShares to label_NumberOfShares_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:label="ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:title="ProceedsFromDivestitureOfBusinessesNetOfCashDivested" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xml:lang="en-US" id="label_ProceedsFromDivestitureOfBusinessesNetOfCashDivested">Cash proceeds (in Dollars)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:to="label_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:title="Label : ProceedsFromDivestitureOfBusinessesNetOfCashDivested to label_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_1" xml:lang="en-US" id="label_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_1">Proceeds from Divestiture of Businesses, Net of Cash Divested</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:to="label_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_1" xlink:title="Label : ProceedsFromDivestitureOfBusinessesNetOfCashDivested to label_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockDividendRatePercentage" xlink:label="PreferredStockDividendRatePercentage" xlink:title="PreferredStockDividendRatePercentage" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockDividendRatePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PreferredStockDividendRatePercentage" xml:lang="en-US" id="label_PreferredStockDividendRatePercentage">Dividends percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockDividendRatePercentage" xlink:to="label_PreferredStockDividendRatePercentage" xlink:title="Label : PreferredStockDividendRatePercentage to label_PreferredStockDividendRatePercentage" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockDividendRatePercentage_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PreferredStockDividendRatePercentage_1" xml:lang="en-US" id="label_PreferredStockDividendRatePercentage_1">Preferred Stock, Dividend Rate, Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockDividendRatePercentage" xlink:to="label_PreferredStockDividendRatePercentage_1" xlink:title="Label : PreferredStockDividendRatePercentage to label_PreferredStockDividendRatePercentage_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ScheduleOfEquityClassifiedWarrantsAbstract" xlink:label="ScheduleOfEquityClassifiedWarrantsAbstract" xlink:title="ScheduleOfEquityClassifiedWarrantsAbstract" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfEquityClassifiedWarrantsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfEquityClassifiedWarrantsAbstract" xml:lang="en-US" id="label_ScheduleOfEquityClassifiedWarrantsAbstract">Schedule Of Equity Classified Warrants Abstract</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfEquityClassifiedWarrantsAbstract" xlink:to="label_ScheduleOfEquityClassifiedWarrantsAbstract" xlink:title="Label : ScheduleOfEquityClassifiedWarrantsAbstract to label_ScheduleOfEquityClassifiedWarrantsAbstract" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfWarrantOrRightTable" xlink:label="ClassOfWarrantOrRightTable" xlink:title="ClassOfWarrantOrRightTable" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfWarrantOrRightTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ClassOfWarrantOrRightTable" xml:lang="en-US" id="label_ClassOfWarrantOrRightTable">Class of Warrant or Right [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightTable" xlink:to="label_ClassOfWarrantOrRightTable" xlink:title="Label : ClassOfWarrantOrRightTable to label_ClassOfWarrantOrRightTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfWarrantOrRightLineItems" xlink:label="ClassOfWarrantOrRightLineItems" xlink:title="ClassOfWarrantOrRightLineItems" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms_1">Weighted average remaining contractual term exercisable for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms_1" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms_2" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms_2">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable Outstanding Weighted Average Remaining Contractual Terms</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms_2" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableOutstandingWeightedAverageRemainingContractualTerms_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_DebtDetailsTable" xlink:label="DebtDetailsTable" xlink:title="DebtDetailsTable" />
    <link:label xlink:type="resource" xlink:label="label_DebtDetailsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtDetailsTable" xml:lang="en-US" id="label_DebtDetailsTable">Debt (Details) [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtDetailsTable" xlink:to="label_DebtDetailsTable" xlink:title="Label : DebtDetailsTable to label_DebtDetailsTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis" xlink:label="DebtInstrumentAxis" xlink:title="DebtInstrumentAxis" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentAxis" xml:lang="en-US" id="label_DebtInstrumentAxis">Debt Instrument [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentAxis" xlink:to="label_DebtInstrumentAxis" xlink:title="Label : DebtInstrumentAxis to label_DebtInstrumentAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="DebtInstrumentNameDomain" xlink:title="DebtInstrumentNameDomain" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentNameDomain" xml:lang="en-US" id="label_DebtInstrumentNameDomain">Debt Instrument, Name [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentNameDomain" xlink:to="label_DebtInstrumentNameDomain" xlink:title="Label : DebtInstrumentNameDomain to label_DebtInstrumentNameDomain" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SmallBusinessAdministrationMember" xlink:label="SmallBusinessAdministrationMember" xlink:title="SmallBusinessAdministrationMember" />
    <link:label xlink:type="resource" xlink:label="label_SmallBusinessAdministrationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SmallBusinessAdministrationMember" xml:lang="en-US" id="label_SmallBusinessAdministrationMember">Small Business Administration [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SmallBusinessAdministrationMember" xlink:to="label_SmallBusinessAdministrationMember" xlink:title="Label : SmallBusinessAdministrationMember to label_SmallBusinessAdministrationMember" />
    <link:label xlink:type="resource" xlink:label="label_SmallBusinessAdministrationMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SmallBusinessAdministrationMember_1" xml:lang="en-US" id="label_SmallBusinessAdministrationMember_1">Small Business Administration Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SmallBusinessAdministrationMember" xlink:to="label_SmallBusinessAdministrationMember_1" xlink:title="Label : SmallBusinessAdministrationMember to label_SmallBusinessAdministrationMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_BalloonPaymentMember" xlink:label="BalloonPaymentMember" xlink:title="BalloonPaymentMember" />
    <link:label xlink:type="resource" xlink:label="label_BalloonPaymentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BalloonPaymentMember" xml:lang="en-US" id="label_BalloonPaymentMember">Balloon Payment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BalloonPaymentMember" xlink:to="label_BalloonPaymentMember" xlink:title="Label : BalloonPaymentMember to label_BalloonPaymentMember" />
    <link:label xlink:type="resource" xlink:label="label_BalloonPaymentMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BalloonPaymentMember_1" xml:lang="en-US" id="label_BalloonPaymentMember_1">Balloon Payment Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BalloonPaymentMember" xlink:to="label_BalloonPaymentMember_1" xlink:title="Label : BalloonPaymentMember to label_BalloonPaymentMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SBAMember" xlink:label="SBAMember" xlink:title="SBAMember" />
    <link:label xlink:type="resource" xlink:label="label_SBAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SBAMember" xml:lang="en-US" id="label_SBAMember">SBA [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SBAMember" xlink:to="label_SBAMember" xlink:title="Label : SBAMember to label_SBAMember" />
    <link:label xlink:type="resource" xlink:label="label_SBAMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SBAMember_1" xml:lang="en-US" id="label_SBAMember_1">SBAMember</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SBAMember" xlink:to="label_SBAMember_1" xlink:title="Label : SBAMember to label_SBAMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="DebtInstrumentLineItems" xlink:title="DebtInstrumentLineItems" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentLineItems" xml:lang="en-US" id="label_DebtInstrumentLineItems">Debt [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentLineItems" xlink:to="label_DebtInstrumentLineItems" xlink:title="Label : DebtInstrumentLineItems to label_DebtInstrumentLineItems" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="DebtInstrumentFaceAmount" xlink:title="DebtInstrumentFaceAmount" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentFaceAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DebtInstrumentFaceAmount" xml:lang="en-US" id="label_DebtInstrumentFaceAmount">Principal amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentFaceAmount" xlink:to="label_DebtInstrumentFaceAmount" xlink:title="Label : DebtInstrumentFaceAmount to label_DebtInstrumentFaceAmount" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentFaceAmount_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentFaceAmount_1" xml:lang="en-US" id="label_DebtInstrumentFaceAmount_1">Debt Instrument, Face Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentFaceAmount" xlink:to="label_DebtInstrumentFaceAmount_1" xlink:title="Label : DebtInstrumentFaceAmount to label_DebtInstrumentFaceAmount_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="DebtInstrumentInterestRateEffectivePercentage" xlink:title="DebtInstrumentInterestRateEffectivePercentage" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentInterestRateEffectivePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DebtInstrumentInterestRateEffectivePercentage" xml:lang="en-US" id="label_DebtInstrumentInterestRateEffectivePercentage">Annual interest rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentInterestRateEffectivePercentage" xlink:to="label_DebtInstrumentInterestRateEffectivePercentage" xlink:title="Label : DebtInstrumentInterestRateEffectivePercentage to label_DebtInstrumentInterestRateEffectivePercentage" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentInterestRateEffectivePercentage_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentInterestRateEffectivePercentage_1" xml:lang="en-US" id="label_DebtInstrumentInterestRateEffectivePercentage_1">Debt Instrument, Interest Rate, Effective Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentInterestRateEffectivePercentage" xlink:to="label_DebtInstrumentInterestRateEffectivePercentage_1" xlink:title="Label : DebtInstrumentInterestRateEffectivePercentage to label_DebtInstrumentInterestRateEffectivePercentage_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid" xlink:label="DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid" xlink:title="DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid" xml:lang="en-US" id="label_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid">Balloon payment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid" xlink:to="label_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid" xlink:title="Label : DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid to label_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid_1" xml:lang="en-US" id="label_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid_1">Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid" xlink:to="label_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid_1" xlink:title="Label : DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid to label_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="DebtInstrumentMaturityDate" xlink:title="DebtInstrumentMaturityDate" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentMaturityDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DebtInstrumentMaturityDate" xml:lang="en-US" id="label_DebtInstrumentMaturityDate">Maturity date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentMaturityDate" xlink:to="label_DebtInstrumentMaturityDate" xlink:title="Label : DebtInstrumentMaturityDate to label_DebtInstrumentMaturityDate" />
    <link:label xlink:type="resource" xlink:label="label_DebtInstrumentMaturityDate_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DebtInstrumentMaturityDate_1" xml:lang="en-US" id="label_DebtInstrumentMaturityDate_1">Debt Instrument, Maturity Date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentMaturityDate" xlink:to="label_DebtInstrumentMaturityDate_1" xlink:title="Label : DebtInstrumentMaturityDate to label_DebtInstrumentMaturityDate_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="AmortizationOfFinancingCostsAndDiscounts" xlink:title="AmortizationOfFinancingCostsAndDiscounts" />
    <link:label xlink:type="resource" xlink:label="label_AmortizationOfFinancingCostsAndDiscounts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AmortizationOfFinancingCostsAndDiscounts" xml:lang="en-US" id="label_AmortizationOfFinancingCostsAndDiscounts">Amortization discount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationOfFinancingCostsAndDiscounts" xlink:to="label_AmortizationOfFinancingCostsAndDiscounts" xlink:title="Label : AmortizationOfFinancingCostsAndDiscounts to label_AmortizationOfFinancingCostsAndDiscounts" />
    <link:label xlink:type="resource" xlink:label="label_AmortizationOfFinancingCostsAndDiscounts_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AmortizationOfFinancingCostsAndDiscounts_1" xml:lang="en-US" id="label_AmortizationOfFinancingCostsAndDiscounts_1">Amortization of Debt Issuance Costs and Discounts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmortizationOfFinancingCostsAndDiscounts" xlink:to="label_AmortizationOfFinancingCostsAndDiscounts_1" xlink:title="Label : AmortizationOfFinancingCostsAndDiscounts to label_AmortizationOfFinancingCostsAndDiscounts_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent" xlink:label="LongTermDebtCurrent" xlink:title="LongTermDebtCurrent" />
    <link:label xlink:type="resource" xlink:label="label_LongTermDebtCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LongTermDebtCurrent" xml:lang="en-US" id="label_LongTermDebtCurrent">Current maturity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebtCurrent" xlink:to="label_LongTermDebtCurrent" xlink:title="Label : LongTermDebtCurrent to label_LongTermDebtCurrent" />
    <link:label xlink:type="resource" xlink:label="label_LongTermDebtCurrent_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LongTermDebtCurrent_1" xml:lang="en-US" id="label_LongTermDebtCurrent_1">Long-Term Debt, Current Maturities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebtCurrent" xlink:to="label_LongTermDebtCurrent_1" xlink:title="Label : LongTermDebtCurrent to label_LongTermDebtCurrent_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtByMaturityAbstract" xlink:label="LongTermDebtByMaturityAbstract" xlink:title="LongTermDebtByMaturityAbstract" />
    <link:label xlink:type="resource" xlink:label="label_LongTermDebtByMaturityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LongTermDebtByMaturityAbstract" xml:lang="en-US" id="label_LongTermDebtByMaturityAbstract">Schedule of the Current Future Payment Obligations [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebtByMaturityAbstract" xlink:to="label_LongTermDebtByMaturityAbstract" xlink:title="Label : LongTermDebtByMaturityAbstract to label_LongTermDebtByMaturityAbstract" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" />
    <link:label xlink:type="resource" xlink:label="label_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xml:lang="en-US" id="label_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive">Thereafter</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:to="label_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:title="Label : LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive to label_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" />
    <link:label xlink:type="resource" xlink:label="label_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_1" xml:lang="en-US" id="label_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_1">Long-Term Debt, Maturity, after Year Five</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:to="label_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_1" xlink:title="Label : LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive to label_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt" xlink:label="LongTermDebt" xlink:title="LongTermDebt" />
    <link:label xlink:type="resource" xlink:label="label_LongTermDebt" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_LongTermDebt" xml:lang="en-US" id="label_LongTermDebt">Total</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebt" xlink:to="label_LongTermDebt" xlink:title="Label : LongTermDebt to label_LongTermDebt" />
    <link:label xlink:type="resource" xlink:label="label_LongTermDebt_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LongTermDebt_1" xml:lang="en-US" id="label_LongTermDebt_1">Long-Term Debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebt" xlink:to="label_LongTermDebt_1" xlink:title="Label : LongTermDebt to label_LongTermDebt_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_DerivativeLiabilitiesDetailsTable" xlink:label="DerivativeLiabilitiesDetailsTable" xlink:title="DerivativeLiabilitiesDetailsTable" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeLiabilitiesDetailsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeLiabilitiesDetailsTable" xml:lang="en-US" id="label_DerivativeLiabilitiesDetailsTable">Derivative Liabilities (Details) [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLiabilitiesDetailsTable" xlink:to="label_DerivativeLiabilitiesDetailsTable" xlink:title="Label : DerivativeLiabilitiesDetailsTable to label_DerivativeLiabilitiesDetailsTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems" xlink:label="DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems" xlink:title="DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems" xml:lang="en-US" id="label_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems">Derivative Liabilities [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems" xlink:to="label_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems" xlink:title="Label : DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems to label_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_MilestonePayment" xlink:label="MilestonePayment" xlink:title="MilestonePayment" />
    <link:label xlink:type="resource" xlink:label="label_MilestonePayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_MilestonePayment" xml:lang="en-US" id="label_MilestonePayment">Milestone Payment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MilestonePayment" xlink:to="label_MilestonePayment" xlink:title="Label : MilestonePayment to label_MilestonePayment" />
    <link:label xlink:type="resource" xlink:label="label_MilestonePayment_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_MilestonePayment_1" xml:lang="en-US" id="label_MilestonePayment_1">The amount of milestone payment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MilestonePayment" xlink:to="label_MilestonePayment_1" xlink:title="Label : MilestonePayment to label_MilestonePayment_1" />
    <link:label xlink:type="resource" xlink:label="label_MilestonePayment_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_MilestonePayment_2" xml:lang="en-US" id="label_MilestonePayment_2">Milestone Payment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MilestonePayment" xlink:to="label_MilestonePayment_2" xlink:title="Label : MilestonePayment to label_MilestonePayment_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockRedemptionTerms" xlink:label="PreferredStockRedemptionTerms" xlink:title="PreferredStockRedemptionTerms" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockRedemptionTerms" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PreferredStockRedemptionTerms" xml:lang="en-US" id="label_PreferredStockRedemptionTerms">Redemption term.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockRedemptionTerms" xlink:to="label_PreferredStockRedemptionTerms" xlink:title="Label : PreferredStockRedemptionTerms to label_PreferredStockRedemptionTerms" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockRedemptionTerms_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PreferredStockRedemptionTerms_1" xml:lang="en-US" id="label_PreferredStockRedemptionTerms_1">Preferred Stock, Redemption Terms</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockRedemptionTerms" xlink:to="label_PreferredStockRedemptionTerms_1" xlink:title="Label : PreferredStockRedemptionTerms to label_PreferredStockRedemptionTerms_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_RoyaltyPercentage" xlink:label="RoyaltyPercentage" xlink:title="RoyaltyPercentage" />
    <link:label xlink:type="resource" xlink:label="label_RoyaltyPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_RoyaltyPercentage" xml:lang="en-US" id="label_RoyaltyPercentage">Royalty percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RoyaltyPercentage" xlink:to="label_RoyaltyPercentage" xlink:title="Label : RoyaltyPercentage to label_RoyaltyPercentage" />
    <link:label xlink:type="resource" xlink:label="label_RoyaltyPercentage_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_RoyaltyPercentage_1" xml:lang="en-US" id="label_RoyaltyPercentage_1">The percentage of royalty.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RoyaltyPercentage" xlink:to="label_RoyaltyPercentage_1" xlink:title="Label : RoyaltyPercentage to label_RoyaltyPercentage_1" />
    <link:label xlink:type="resource" xlink:label="label_RoyaltyPercentage_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RoyaltyPercentage_2" xml:lang="en-US" id="label_RoyaltyPercentage_2">Royalty Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RoyaltyPercentage" xlink:to="label_RoyaltyPercentage_2" xlink:title="Label : RoyaltyPercentage to label_RoyaltyPercentage_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ScheduleOfDerivativeLiabilitiesMeasuredAtFairValueOnARecurringBasisAbstract" xlink:label="ScheduleOfDerivativeLiabilitiesMeasuredAtFairValueOnARecurringBasisAbstract" xlink:title="ScheduleOfDerivativeLiabilitiesMeasuredAtFairValueOnARecurringBasisAbstract" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfDerivativeLiabilitiesMeasuredAtFairValueOnARecurringBasisAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfDerivativeLiabilitiesMeasuredAtFairValueOnARecurringBasisAbstract" xml:lang="en-US" id="label_ScheduleOfDerivativeLiabilitiesMeasuredAtFairValueOnARecurringBasisAbstract">Schedule Of Derivative Liabilities Measured At Fair Value On ARecurring Basis Abstract</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfDerivativeLiabilitiesMeasuredAtFairValueOnARecurringBasisAbstract" xlink:to="label_ScheduleOfDerivativeLiabilitiesMeasuredAtFairValueOnARecurringBasisAbstract" xlink:title="Label : ScheduleOfDerivativeLiabilitiesMeasuredAtFairValueOnARecurringBasisAbstract to label_ScheduleOfDerivativeLiabilitiesMeasuredAtFairValueOnARecurringBasisAbstract" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_DerivativeLiabilitiesScheduleofDerivativeLiabilitiesMeasuredatFairValueonaRecurringBasisDetailsTable" xlink:label="DerivativeLiabilitiesScheduleofDerivativeLiabilitiesMeasuredatFairValueonaRecurringBasisDetailsTable" xlink:title="DerivativeLiabilitiesScheduleofDerivativeLiabilitiesMeasuredatFairValueonaRecurringBasisDetailsTable" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeLiabilitiesScheduleofDerivativeLiabilitiesMeasuredatFairValueonaRecurringBasisDetailsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeLiabilitiesScheduleofDerivativeLiabilitiesMeasuredatFairValueonaRecurringBasisDetailsTable" xml:lang="en-US" id="label_DerivativeLiabilitiesScheduleofDerivativeLiabilitiesMeasuredatFairValueonaRecurringBasisDetailsTable">Derivative Liabilities - Schedule of Derivative Liabilities Measured at Fair Value on a Recurring Basis (Details) [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLiabilitiesScheduleofDerivativeLiabilitiesMeasuredatFairValueonaRecurringBasisDetailsTable" xlink:to="label_DerivativeLiabilitiesScheduleofDerivativeLiabilitiesMeasuredatFairValueonaRecurringBasisDetailsTable" xlink:title="Label : DerivativeLiabilitiesScheduleofDerivativeLiabilitiesMeasuredatFairValueonaRecurringBasisDetailsTable to label_DerivativeLiabilitiesScheduleofDerivativeLiabilitiesMeasuredatFairValueonaRecurringBasisDetailsTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="FairValueByMeasurementFrequencyAxis" xlink:title="FairValueByMeasurementFrequencyAxis" />
    <link:label xlink:type="resource" xlink:label="label_FairValueByMeasurementFrequencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueByMeasurementFrequencyAxis" xml:lang="en-US" id="label_FairValueByMeasurementFrequencyAxis">Measurement Frequency [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueByMeasurementFrequencyAxis" xlink:to="label_FairValueByMeasurementFrequencyAxis" xlink:title="Label : FairValueByMeasurementFrequencyAxis to label_FairValueByMeasurementFrequencyAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="FairValueMeasurementsRecurringMember" xlink:title="FairValueMeasurementsRecurringMember" />
    <link:label xlink:type="resource" xlink:label="label_FairValueMeasurementsRecurringMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FairValueMeasurementsRecurringMember" xml:lang="en-US" id="label_FairValueMeasurementsRecurringMember">Fair Value, Recurring [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementsRecurringMember" xlink:to="label_FairValueMeasurementsRecurringMember" xlink:title="Label : FairValueMeasurementsRecurringMember to label_FairValueMeasurementsRecurringMember" />
    <link:label xlink:type="resource" xlink:label="label_FairValueMeasurementsRecurringMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueMeasurementsRecurringMember_1" xml:lang="en-US" id="label_FairValueMeasurementsRecurringMember_1">Fair Value, Recurring [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementsRecurringMember" xlink:to="label_FairValueMeasurementsRecurringMember_1" xlink:title="Label : FairValueMeasurementsRecurringMember to label_FairValueMeasurementsRecurringMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="DerivativeInstrumentRiskAxis" xlink:title="DerivativeInstrumentRiskAxis" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeInstrumentRiskAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeInstrumentRiskAxis" xml:lang="en-US" id="label_DerivativeInstrumentRiskAxis">Derivative Instrument [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeInstrumentRiskAxis" xlink:to="label_DerivativeInstrumentRiskAxis" xlink:title="Label : DerivativeInstrumentRiskAxis to label_DerivativeInstrumentRiskAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="DerivativeContractTypeDomain" xlink:title="DerivativeContractTypeDomain" />
    <link:label xlink:type="resource" xlink:label="label_DerivativeContractTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DerivativeContractTypeDomain" xml:lang="en-US" id="label_DerivativeContractTypeDomain">Derivative Contract [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeContractTypeDomain" xlink:to="label_DerivativeContractTypeDomain" xlink:title="Label : DerivativeContractTypeDomain to label_DerivativeContractTypeDomain" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ContingentMilestonePaymentMember" xlink:label="ContingentMilestonePaymentMember" xlink:title="ContingentMilestonePaymentMember" />
    <link:label xlink:type="resource" xlink:label="label_ContingentMilestonePaymentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ContingentMilestonePaymentMember" xml:lang="en-US" id="label_ContingentMilestonePaymentMember">Contingent Milestone Payment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentMilestonePaymentMember" xlink:to="label_ContingentMilestonePaymentMember" xlink:title="Label : ContingentMilestonePaymentMember to label_ContingentMilestonePaymentMember" />
    <link:label xlink:type="resource" xlink:label="label_ContingentMilestonePaymentMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ContingentMilestonePaymentMember_1" xml:lang="en-US" id="label_ContingentMilestonePaymentMember_1">Contingent Milestone Payment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentMilestonePaymentMember" xlink:to="label_ContingentMilestonePaymentMember_1" xlink:title="Label : ContingentMilestonePaymentMember to label_ContingentMilestonePaymentMember_1" />
    <link:label xlink:type="resource" xlink:label="label_ContingentMilestonePaymentMember_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ContingentMilestonePaymentMember_2" xml:lang="en-US" id="label_ContingentMilestonePaymentMember_2">Contingent Milestone Payment Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentMilestonePaymentMember" xlink:to="label_ContingentMilestonePaymentMember_2" xlink:title="Label : ContingentMilestonePaymentMember to label_ContingentMilestonePaymentMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_BridgeSharesMember" xlink:label="BridgeSharesMember" xlink:title="BridgeSharesMember" />
    <link:label xlink:type="resource" xlink:label="label_BridgeSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BridgeSharesMember" xml:lang="en-US" id="label_BridgeSharesMember">Bridge Shares [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BridgeSharesMember" xlink:to="label_BridgeSharesMember" xlink:title="Label : BridgeSharesMember to label_BridgeSharesMember" />
    <link:label xlink:type="resource" xlink:label="label_BridgeSharesMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BridgeSharesMember_1" xml:lang="en-US" id="label_BridgeSharesMember_1">Bridge Shares Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BridgeSharesMember" xlink:to="label_BridgeSharesMember_1" xlink:title="Label : BridgeSharesMember to label_BridgeSharesMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:title="FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" />
    <link:label xlink:type="resource" xlink:label="label_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xml:lang="en-US" id="label_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems">Schedule of Derivative Liabilities Measured at Fair Value on a Recurring Basis [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="label_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:title="Label : FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems to label_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment" xlink:label="FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment" xlink:title="FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment" />
    <link:label xlink:type="resource" xlink:label="label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment" xml:lang="en-US" id="label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment">Change in fair value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment" xlink:to="label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment" xlink:title="Label : FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment to label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment" />
    <link:label xlink:type="resource" xlink:label="label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment_1" xml:lang="en-US" id="label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment_1">Fair value, measurement with unobservable inputs reconciliation, recurring Basis, fair value - mark to market adjustment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment" xlink:to="label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment_1" xlink:title="Label : FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment to label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment_1" />
    <link:label xlink:type="resource" xlink:label="label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment_2" xml:lang="en-US" id="label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment_2">Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Mark To Market Adjustment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment" xlink:to="label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment_2" xlink:title="Label : FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment to label_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisMarkToMarketAdjustment_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="FairValueMeasurementFrequencyDomain" xlink:title="FairValueMeasurementFrequencyDomain" />
    <link:label xlink:type="resource" xlink:label="label_FairValueMeasurementFrequencyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FairValueMeasurementFrequencyDomain" xml:lang="en-US" id="label_FairValueMeasurementFrequencyDomain">Measurement Frequency [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementFrequencyDomain" xlink:to="label_FairValueMeasurementFrequencyDomain" xlink:title="Label : FairValueMeasurementFrequencyDomain to label_FairValueMeasurementFrequencyDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:label="DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:title="DeferredTaxAssetsOperatingLossCarryforwardsDomestic" />
    <link:label xlink:type="resource" xlink:label="label_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xml:lang="en-US" id="label_DeferredTaxAssetsOperatingLossCarryforwardsDomestic">U.S. federal net operating loss carryforwards</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:to="label_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:title="Label : DeferredTaxAssetsOperatingLossCarryforwardsDomestic to label_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" />
    <link:label xlink:type="resource" xlink:label="label_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_1" xml:lang="en-US" id="label_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_1">Deferred Tax Assets, Operating Loss Carryforwards, Domestic</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:to="label_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_1" xlink:title="Label : DeferredTaxAssetsOperatingLossCarryforwardsDomestic to label_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther" xlink:label="DeferredTaxAssetsTaxCreditCarryforwardsOther" xlink:title="DeferredTaxAssetsTaxCreditCarryforwardsOther" />
    <link:label xlink:type="resource" xlink:label="label_DeferredTaxAssetsTaxCreditCarryforwardsOther" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DeferredTaxAssetsTaxCreditCarryforwardsOther" xml:lang="en-US" id="label_DeferredTaxAssetsTaxCreditCarryforwardsOther">U.S. federal tax</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsTaxCreditCarryforwardsOther" xlink:to="label_DeferredTaxAssetsTaxCreditCarryforwardsOther" xlink:title="Label : DeferredTaxAssetsTaxCreditCarryforwardsOther to label_DeferredTaxAssetsTaxCreditCarryforwardsOther" />
    <link:label xlink:type="resource" xlink:label="label_DeferredTaxAssetsTaxCreditCarryforwardsOther_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DeferredTaxAssetsTaxCreditCarryforwardsOther_1" xml:lang="en-US" id="label_DeferredTaxAssetsTaxCreditCarryforwardsOther_1">Deferred Tax Assets, Tax Credit Carryforwards, Other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsTaxCreditCarryforwardsOther" xlink:to="label_DeferredTaxAssetsTaxCreditCarryforwardsOther_1" xlink:title="Label : DeferredTaxAssetsTaxCreditCarryforwardsOther to label_DeferredTaxAssetsTaxCreditCarryforwardsOther_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ShareBasedCompensationDetailsTable" xlink:label="ShareBasedCompensationDetailsTable" xlink:title="ShareBasedCompensationDetailsTable" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationDetailsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationDetailsTable" xml:lang="en-US" id="label_ShareBasedCompensationDetailsTable">Share-Based Compensation (Details) [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationDetailsTable" xlink:to="label_ShareBasedCompensationDetailsTable" xlink:title="Label : ShareBasedCompensationDetailsTable to label_ShareBasedCompensationDetailsTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PlanNameAxis" xlink:label="PlanNameAxis" xlink:title="PlanNameAxis" />
    <link:label xlink:type="resource" xlink:label="label_PlanNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PlanNameAxis" xml:lang="en-US" id="label_PlanNameAxis">Plan Name [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PlanNameAxis" xlink:to="label_PlanNameAxis" xlink:title="Label : PlanNameAxis to label_PlanNameAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PlanNameDomain" xlink:label="PlanNameDomain" xlink:title="PlanNameDomain" />
    <link:label xlink:type="resource" xlink:label="label_PlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PlanNameDomain" xml:lang="en-US" id="label_PlanNameDomain">Plan Name [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PlanNameDomain" xlink:to="label_PlanNameDomain" xlink:title="Label : PlanNameDomain to label_PlanNameDomain" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_TwoThousandTwentyTwoEquityIncentivePlanMember" xlink:label="TwoThousandTwentyTwoEquityIncentivePlanMember" xlink:title="TwoThousandTwentyTwoEquityIncentivePlanMember" />
    <link:label xlink:type="resource" xlink:label="label_TwoThousandTwentyTwoEquityIncentivePlanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_TwoThousandTwentyTwoEquityIncentivePlanMember" xml:lang="en-US" id="label_TwoThousandTwentyTwoEquityIncentivePlanMember">Two Thousand Twenty Two Equity Incentive Plan [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TwoThousandTwentyTwoEquityIncentivePlanMember" xlink:to="label_TwoThousandTwentyTwoEquityIncentivePlanMember" xlink:title="Label : TwoThousandTwentyTwoEquityIncentivePlanMember to label_TwoThousandTwentyTwoEquityIncentivePlanMember" />
    <link:label xlink:type="resource" xlink:label="label_TwoThousandTwentyTwoEquityIncentivePlanMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_TwoThousandTwentyTwoEquityIncentivePlanMember_1" xml:lang="en-US" id="label_TwoThousandTwentyTwoEquityIncentivePlanMember_1">Two Thousand Twenty Two Equity Incentive Plan Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TwoThousandTwentyTwoEquityIncentivePlanMember" xlink:to="label_TwoThousandTwentyTwoEquityIncentivePlanMember_1" xlink:title="Label : TwoThousandTwentyTwoEquityIncentivePlanMember to label_TwoThousandTwentyTwoEquityIncentivePlanMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VestingAxis" xlink:label="VestingAxis" xlink:title="VestingAxis" />
    <link:label xlink:type="resource" xlink:label="label_VestingAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_VestingAxis" xml:lang="en-US" id="label_VestingAxis">Vesting [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="VestingAxis" xlink:to="label_VestingAxis" xlink:title="Label : VestingAxis to label_VestingAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VestingDomain" xlink:label="VestingDomain" xlink:title="VestingDomain" />
    <link:label xlink:type="resource" xlink:label="label_VestingDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_VestingDomain" xml:lang="en-US" id="label_VestingDomain">Vesting [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="VestingDomain" xlink:to="label_VestingDomain" xlink:title="Label : VestingDomain to label_VestingDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:label="ShareBasedCompensationAwardTrancheOneMember" xlink:title="ShareBasedCompensationAwardTrancheOneMember" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationAwardTrancheOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationAwardTrancheOneMember" xml:lang="en-US" id="label_ShareBasedCompensationAwardTrancheOneMember">First Tranche [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationAwardTrancheOneMember" xlink:to="label_ShareBasedCompensationAwardTrancheOneMember" xlink:title="Label : ShareBasedCompensationAwardTrancheOneMember to label_ShareBasedCompensationAwardTrancheOneMember" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationAwardTrancheOneMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationAwardTrancheOneMember_1" xml:lang="en-US" id="label_ShareBasedCompensationAwardTrancheOneMember_1">Share-Based Payment Arrangement, Tranche One [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationAwardTrancheOneMember" xlink:to="label_ShareBasedCompensationAwardTrancheOneMember_1" xlink:title="Label : ShareBasedCompensationAwardTrancheOneMember to label_ShareBasedCompensationAwardTrancheOneMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xml:lang="en-US" id="label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain">Award Type [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="Label : ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_StockOptionsMember" xlink:label="StockOptionsMember" xlink:title="StockOptionsMember" />
    <link:label xlink:type="resource" xlink:label="label_StockOptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_StockOptionsMember" xml:lang="en-US" id="label_StockOptionsMember">Stock Options [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockOptionsMember" xlink:to="label_StockOptionsMember" xlink:title="Label : StockOptionsMember to label_StockOptionsMember" />
    <link:label xlink:type="resource" xlink:label="label_StockOptionsMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockOptionsMember_1" xml:lang="en-US" id="label_StockOptionsMember_1">Stock Options Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockOptionsMember" xlink:to="label_StockOptionsMember_1" xlink:title="Label : StockOptionsMember to label_StockOptionsMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="RestrictedStockUnitsRSUMember" xlink:title="RestrictedStockUnitsRSUMember" />
    <link:label xlink:type="resource" xlink:label="label_RestrictedStockUnitsRSUMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_RestrictedStockUnitsRSUMember" xml:lang="en-US" id="label_RestrictedStockUnitsRSUMember">Restricted Stock Units (RSUs) [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestrictedStockUnitsRSUMember" xlink:to="label_RestrictedStockUnitsRSUMember" xlink:title="Label : RestrictedStockUnitsRSUMember to label_RestrictedStockUnitsRSUMember" />
    <link:label xlink:type="resource" xlink:label="label_RestrictedStockUnitsRSUMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RestrictedStockUnitsRSUMember_1" xml:lang="en-US" id="label_RestrictedStockUnitsRSUMember_1">Restricted Stock Units (RSUs) [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestrictedStockUnitsRSUMember" xlink:to="label_RestrictedStockUnitsRSUMember_1" xlink:title="Label : RestrictedStockUnitsRSUMember to label_RestrictedStockUnitsRSUMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:label="EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:title="EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" />
    <link:label xlink:type="resource" xlink:label="label_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xml:lang="en-US" id="label_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems">Schedule of Share-Based Compensation Expenses [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:to="label_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:title="Label : EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems to label_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" />
    <link:label xlink:type="resource" xlink:label="label_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_1" xml:lang="en-US" id="label_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_1">Share-Based Compensation [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:to="label_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_1" xlink:title="Label : EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems to label_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:title="SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" />
    <link:label xlink:type="resource" xlink:label="label_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xml:lang="en-US" id="label_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage">Options Vesting percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:to="label_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:title="Label : SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage to label_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" />
    <link:label xlink:type="resource" xlink:label="label_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1" xml:lang="en-US" id="label_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1">Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:to="label_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1" xlink:title="Label : SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage to label_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:label="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:title="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="label_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xml:lang="en-US" id="label_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue">Weighted average grant date fair value of options granted (in Dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:to="label_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:title="Label : SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue to label_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="label_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_1" xml:lang="en-US" id="label_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_1">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:to="label_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_1" xlink:title="Label : SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue to label_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="AllocatedShareBasedCompensationExpense" xlink:title="AllocatedShareBasedCompensationExpense" />
    <link:label xlink:type="resource" xlink:label="label_AllocatedShareBasedCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AllocatedShareBasedCompensationExpense" xml:lang="en-US" id="label_AllocatedShareBasedCompensationExpense">Total Share-Based Compensation Expense Included in Operating Expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AllocatedShareBasedCompensationExpense" xlink:to="label_AllocatedShareBasedCompensationExpense" xlink:title="Label : AllocatedShareBasedCompensationExpense to label_AllocatedShareBasedCompensationExpense" />
    <link:label xlink:type="resource" xlink:label="label_AllocatedShareBasedCompensationExpense_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_AllocatedShareBasedCompensationExpense_1" xml:lang="en-US" id="label_AllocatedShareBasedCompensationExpense_1">Compensation expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AllocatedShareBasedCompensationExpense" xlink:to="label_AllocatedShareBasedCompensationExpense_1" xlink:title="Label : AllocatedShareBasedCompensationExpense to label_AllocatedShareBasedCompensationExpense_1" />
    <link:label xlink:type="resource" xlink:label="label_AllocatedShareBasedCompensationExpense_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AllocatedShareBasedCompensationExpense_2" xml:lang="en-US" id="label_AllocatedShareBasedCompensationExpense_2">Share-Based Payment Arrangement, Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AllocatedShareBasedCompensationExpense" xlink:to="label_AllocatedShareBasedCompensationExpense_2" xlink:title="Label : AllocatedShareBasedCompensationExpense to label_AllocatedShareBasedCompensationExpense_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Cash" xlink:label="Cash" xlink:title="Cash" />
    <link:label xlink:type="resource" xlink:label="label_Cash" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_Cash" xml:lang="en-US" id="label_Cash">Cash</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Cash" xlink:to="label_Cash" xlink:title="Label : Cash to label_Cash" />
    <link:label xlink:type="resource" xlink:label="label_Cash_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_Cash_1" xml:lang="en-US" id="label_Cash_1">Cash</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Cash" xlink:to="label_Cash_1" xlink:title="Label : Cash to label_Cash_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SharesIssuedPayrollTaxesWithholdings" xlink:label="SharesIssuedPayrollTaxesWithholdings" xlink:title="SharesIssuedPayrollTaxesWithholdings" />
    <link:label xlink:type="resource" xlink:label="label_SharesIssuedPayrollTaxesWithholdings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SharesIssuedPayrollTaxesWithholdings" xml:lang="en-US" id="label_SharesIssuedPayrollTaxesWithholdings">Shares payroll tax withholdings (in Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesIssuedPayrollTaxesWithholdings" xlink:to="label_SharesIssuedPayrollTaxesWithholdings" xlink:title="Label : SharesIssuedPayrollTaxesWithholdings to label_SharesIssuedPayrollTaxesWithholdings" />
    <link:label xlink:type="resource" xlink:label="label_SharesIssuedPayrollTaxesWithholdings_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SharesIssuedPayrollTaxesWithholdings_1" xml:lang="en-US" id="label_SharesIssuedPayrollTaxesWithholdings_1">The shares issued payroll taxes withholdings.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesIssuedPayrollTaxesWithholdings" xlink:to="label_SharesIssuedPayrollTaxesWithholdings_1" xlink:title="Label : SharesIssuedPayrollTaxesWithholdings to label_SharesIssuedPayrollTaxesWithholdings_1" />
    <link:label xlink:type="resource" xlink:label="label_SharesIssuedPayrollTaxesWithholdings_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SharesIssuedPayrollTaxesWithholdings_2" xml:lang="en-US" id="label_SharesIssuedPayrollTaxesWithholdings_2">Shares Issued Payroll Taxes Withholdings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesIssuedPayrollTaxesWithholdings" xlink:to="label_SharesIssuedPayrollTaxesWithholdings_2" xlink:title="Label : SharesIssuedPayrollTaxesWithholdings to label_SharesIssuedPayrollTaxesWithholdings_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_UnamortizedBalance" xlink:label="UnamortizedBalance" xlink:title="UnamortizedBalance" />
    <link:label xlink:type="resource" xlink:label="label_UnamortizedBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_UnamortizedBalance" xml:lang="en-US" id="label_UnamortizedBalance">Unamortized balance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnamortizedBalance" xlink:to="label_UnamortizedBalance" xlink:title="Label : UnamortizedBalance to label_UnamortizedBalance" />
    <link:label xlink:type="resource" xlink:label="label_UnamortizedBalance_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_UnamortizedBalance_1" xml:lang="en-US" id="label_UnamortizedBalance_1">The amount of unamortized balance.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnamortizedBalance" xlink:to="label_UnamortizedBalance_1" xlink:title="Label : UnamortizedBalance to label_UnamortizedBalance_1" />
    <link:label xlink:type="resource" xlink:label="label_UnamortizedBalance_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_UnamortizedBalance_2" xml:lang="en-US" id="label_UnamortizedBalance_2">Unamortized Balance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnamortizedBalance" xlink:to="label_UnamortizedBalance_2" xlink:title="Label : UnamortizedBalance to label_UnamortizedBalance_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ScheduleOfShareBasedCompensationExpensesAbstract" xlink:label="ScheduleOfShareBasedCompensationExpensesAbstract" xlink:title="ScheduleOfShareBasedCompensationExpensesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfShareBasedCompensationExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfShareBasedCompensationExpensesAbstract" xml:lang="en-US" id="label_ScheduleOfShareBasedCompensationExpensesAbstract">Schedule Of Share Based Compensation Expenses Abstract</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfShareBasedCompensationExpensesAbstract" xlink:to="label_ScheduleOfShareBasedCompensationExpensesAbstract" xlink:title="Label : ScheduleOfShareBasedCompensationExpensesAbstract to label_ScheduleOfShareBasedCompensationExpensesAbstract" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:label="ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:title="ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" />
    <link:label xlink:type="resource" xlink:label="label_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xml:lang="en-US" id="label_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable">Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:to="label_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:title="Label : ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable to label_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="IncomeStatementLocationAxis" xlink:title="IncomeStatementLocationAxis" />
    <link:label xlink:type="resource" xlink:label="label_IncomeStatementLocationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IncomeStatementLocationAxis" xml:lang="en-US" id="label_IncomeStatementLocationAxis">Statement of Income Location, Balance [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeStatementLocationAxis" xlink:to="label_IncomeStatementLocationAxis" xlink:title="Label : IncomeStatementLocationAxis to label_IncomeStatementLocationAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="IncomeStatementLocationDomain" xlink:title="IncomeStatementLocationDomain" />
    <link:label xlink:type="resource" xlink:label="label_IncomeStatementLocationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IncomeStatementLocationDomain" xml:lang="en-US" id="label_IncomeStatementLocationDomain">Statement of Income Location, Balance [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeStatementLocationDomain" xlink:to="label_IncomeStatementLocationDomain" xlink:title="Label : IncomeStatementLocationDomain to label_IncomeStatementLocationDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:label="GeneralAndAdministrativeExpenseMember" xlink:title="GeneralAndAdministrativeExpenseMember" />
    <link:label xlink:type="resource" xlink:label="label_GeneralAndAdministrativeExpenseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_GeneralAndAdministrativeExpenseMember" xml:lang="en-US" id="label_GeneralAndAdministrativeExpenseMember">General and Administrative Expenses [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeneralAndAdministrativeExpenseMember" xlink:to="label_GeneralAndAdministrativeExpenseMember" xlink:title="Label : GeneralAndAdministrativeExpenseMember to label_GeneralAndAdministrativeExpenseMember" />
    <link:label xlink:type="resource" xlink:label="label_GeneralAndAdministrativeExpenseMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GeneralAndAdministrativeExpenseMember_1" xml:lang="en-US" id="label_GeneralAndAdministrativeExpenseMember_1">General and Administrative Expense [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeneralAndAdministrativeExpenseMember" xlink:to="label_GeneralAndAdministrativeExpenseMember_1" xlink:title="Label : GeneralAndAdministrativeExpenseMember to label_GeneralAndAdministrativeExpenseMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract">Fair Value Measurement Inputs and Valuation Techniques [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue">Weighted-average grant date fair value (in Dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_1">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate">Risk-free interest rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_1">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate">Expected volatility</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_1">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:title="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" />
    <link:label xlink:type="resource" xlink:label="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xml:lang="en-US" id="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1">Expected term (years)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:to="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:title="Label : SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 to label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" />
    <link:label xlink:type="resource" xlink:label="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_1" xml:lang="en-US" id="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_1">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:to="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_1" xlink:title="Label : SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 to label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate">Expected dividend yield</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_1">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_CommitmentsandContingenciesDetailsTable" xlink:label="CommitmentsandContingenciesDetailsTable" xlink:title="CommitmentsandContingenciesDetailsTable" />
    <link:label xlink:type="resource" xlink:label="label_CommitmentsandContingenciesDetailsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommitmentsandContingenciesDetailsTable" xml:lang="en-US" id="label_CommitmentsandContingenciesDetailsTable">Commitments and Contingencies (Details) [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommitmentsandContingenciesDetailsTable" xlink:to="label_CommitmentsandContingenciesDetailsTable" xlink:title="Label : CommitmentsandContingenciesDetailsTable to label_CommitmentsandContingenciesDetailsTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeAxis" xlink:label="RangeAxis" xlink:title="RangeAxis" />
    <link:label xlink:type="resource" xlink:label="label_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RangeAxis" xml:lang="en-US" id="label_RangeAxis">Statistical Measurement [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeAxis" xlink:to="label_RangeAxis" xlink:title="Label : RangeAxis to label_RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember" xlink:label="RangeMember" xlink:title="RangeMember" />
    <link:label xlink:type="resource" xlink:label="label_RangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RangeMember" xml:lang="en-US" id="label_RangeMember">Statistical Measurement [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeMember" xlink:to="label_RangeMember" xlink:title="Label : RangeMember to label_RangeMember" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MinimumMember" xlink:label="MinimumMember" xlink:title="MinimumMember" />
    <link:label xlink:type="resource" xlink:label="label_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_MinimumMember" xml:lang="en-US" id="label_MinimumMember">Minimum [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MinimumMember" xlink:to="label_MinimumMember" xlink:title="Label : MinimumMember to label_MinimumMember" />
    <link:label xlink:type="resource" xlink:label="label_MinimumMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_MinimumMember_1" xml:lang="en-US" id="label_MinimumMember_1">Minimum [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MinimumMember" xlink:to="label_MinimumMember_1" xlink:title="Label : MinimumMember to label_MinimumMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MaximumMember" xlink:label="MaximumMember" xlink:title="MaximumMember" />
    <link:label xlink:type="resource" xlink:label="label_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_MaximumMember" xml:lang="en-US" id="label_MaximumMember">Maximum [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumMember" xlink:to="label_MaximumMember" xlink:title="Label : MaximumMember to label_MaximumMember" />
    <link:label xlink:type="resource" xlink:label="label_MaximumMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_MaximumMember_1" xml:lang="en-US" id="label_MaximumMember_1">Maximum [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumMember" xlink:to="label_MaximumMember_1" xlink:title="Label : MaximumMember to label_MaximumMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_TitleOfIndividualAxis" xlink:label="TitleOfIndividualAxis" xlink:title="TitleOfIndividualAxis" />
    <link:label xlink:type="resource" xlink:label="label_TitleOfIndividualAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_TitleOfIndividualAxis" xml:lang="en-US" id="label_TitleOfIndividualAxis">Title and Position [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TitleOfIndividualAxis" xlink:to="label_TitleOfIndividualAxis" xlink:title="Label : TitleOfIndividualAxis to label_TitleOfIndividualAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="TitleOfIndividualWithRelationshipToEntityDomain" xlink:title="TitleOfIndividualWithRelationshipToEntityDomain" />
    <link:label xlink:type="resource" xlink:label="label_TitleOfIndividualWithRelationshipToEntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_TitleOfIndividualWithRelationshipToEntityDomain" xml:lang="en-US" id="label_TitleOfIndividualWithRelationshipToEntityDomain">Title and Position [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="label_TitleOfIndividualWithRelationshipToEntityDomain" xlink:title="Label : TitleOfIndividualWithRelationshipToEntityDomain to label_TitleOfIndividualWithRelationshipToEntityDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_BoardOfDirectorsChairmanMember" xlink:label="BoardOfDirectorsChairmanMember" xlink:title="BoardOfDirectorsChairmanMember" />
    <link:label xlink:type="resource" xlink:label="label_BoardOfDirectorsChairmanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BoardOfDirectorsChairmanMember" xml:lang="en-US" id="label_BoardOfDirectorsChairmanMember">Board of Directors [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BoardOfDirectorsChairmanMember" xlink:to="label_BoardOfDirectorsChairmanMember" xlink:title="Label : BoardOfDirectorsChairmanMember to label_BoardOfDirectorsChairmanMember" />
    <link:label xlink:type="resource" xlink:label="label_BoardOfDirectorsChairmanMember_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_BoardOfDirectorsChairmanMember_1" xml:lang="en-US" id="label_BoardOfDirectorsChairmanMember_1">Board of Directors Chairman [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BoardOfDirectorsChairmanMember" xlink:to="label_BoardOfDirectorsChairmanMember_1" xlink:title="Label : BoardOfDirectorsChairmanMember to label_BoardOfDirectorsChairmanMember_1" />
    <link:label xlink:type="resource" xlink:label="label_BoardOfDirectorsChairmanMember_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BoardOfDirectorsChairmanMember_2" xml:lang="en-US" id="label_BoardOfDirectorsChairmanMember_2">Board of Directors Chairman [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BoardOfDirectorsChairmanMember" xlink:to="label_BoardOfDirectorsChairmanMember_2" xlink:title="Label : BoardOfDirectorsChairmanMember to label_BoardOfDirectorsChairmanMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_CherylXuMember" xlink:label="CherylXuMember" xlink:title="CherylXuMember" />
    <link:label xlink:type="resource" xlink:label="label_CherylXuMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CherylXuMember" xml:lang="en-US" id="label_CherylXuMember">Cheryl Xu [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CherylXuMember" xlink:to="label_CherylXuMember" xlink:title="Label : CherylXuMember to label_CherylXuMember" />
    <link:label xlink:type="resource" xlink:label="label_CherylXuMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CherylXuMember_1" xml:lang="en-US" id="label_CherylXuMember_1">Cheryl Xu Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CherylXuMember" xlink:to="label_CherylXuMember_1" xlink:title="Label : CherylXuMember to label_CherylXuMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_PaulFieldMember" xlink:label="PaulFieldMember" xlink:title="PaulFieldMember" />
    <link:label xlink:type="resource" xlink:label="label_PaulFieldMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PaulFieldMember" xml:lang="en-US" id="label_PaulFieldMember">Paul Field [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaulFieldMember" xlink:to="label_PaulFieldMember" xlink:title="Label : PaulFieldMember to label_PaulFieldMember" />
    <link:label xlink:type="resource" xlink:label="label_PaulFieldMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PaulFieldMember_1" xml:lang="en-US" id="label_PaulFieldMember_1">Paul Field Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaulFieldMember" xlink:to="label_PaulFieldMember_1" xlink:title="Label : PaulFieldMember to label_PaulFieldMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_CharlesAllenMember" xlink:label="CharlesAllenMember" xlink:title="CharlesAllenMember" />
    <link:label xlink:type="resource" xlink:label="label_CharlesAllenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CharlesAllenMember" xml:lang="en-US" id="label_CharlesAllenMember">Charles Allen [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CharlesAllenMember" xlink:to="label_CharlesAllenMember" xlink:title="Label : CharlesAllenMember to label_CharlesAllenMember" />
    <link:label xlink:type="resource" xlink:label="label_CharlesAllenMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CharlesAllenMember_1" xml:lang="en-US" id="label_CharlesAllenMember_1">Charles Allen Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CharlesAllenMember" xlink:to="label_CharlesAllenMember_1" xlink:title="Label : CharlesAllenMember to label_CharlesAllenMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_StephenTooveyMember" xlink:label="StephenTooveyMember" xlink:title="StephenTooveyMember" />
    <link:label xlink:type="resource" xlink:label="label_StephenTooveyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_StephenTooveyMember" xml:lang="en-US" id="label_StephenTooveyMember">Stephen Toovey [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StephenTooveyMember" xlink:to="label_StephenTooveyMember" xlink:title="Label : StephenTooveyMember to label_StephenTooveyMember" />
    <link:label xlink:type="resource" xlink:label="label_StephenTooveyMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StephenTooveyMember_1" xml:lang="en-US" id="label_StephenTooveyMember_1">Stephen Toovey Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StephenTooveyMember" xlink:to="label_StephenTooveyMember_1" xlink:title="Label : StephenTooveyMember to label_StephenTooveyMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_USGovernmentSalesMember" xlink:label="USGovernmentSalesMember" xlink:title="USGovernmentSalesMember" />
    <link:label xlink:type="resource" xlink:label="label_USGovernmentSalesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_USGovernmentSalesMember" xml:lang="en-US" id="label_USGovernmentSalesMember">US Government Sales [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USGovernmentSalesMember" xlink:to="label_USGovernmentSalesMember" xlink:title="Label : USGovernmentSalesMember to label_USGovernmentSalesMember" />
    <link:label xlink:type="resource" xlink:label="label_USGovernmentSalesMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_USGovernmentSalesMember_1" xml:lang="en-US" id="label_USGovernmentSalesMember_1">USGovernment Sales Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USGovernmentSalesMember" xlink:to="label_USGovernmentSalesMember_1" xlink:title="Label : USGovernmentSalesMember to label_USGovernmentSalesMember_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_USArmyAgreementMember" xlink:label="USArmyAgreementMember" xlink:title="USArmyAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_USArmyAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_USArmyAgreementMember" xml:lang="en-US" id="label_USArmyAgreementMember">U.S. Army Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USArmyAgreementMember" xlink:to="label_USArmyAgreementMember" xlink:title="Label : USArmyAgreementMember to label_USArmyAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_USArmyAgreementMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_USArmyAgreementMember_1" xml:lang="en-US" id="label_USArmyAgreementMember_1">USArmy Agreement Member</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USArmyAgreementMember" xlink:to="label_USArmyAgreementMember_1" xlink:title="Label : USArmyAgreementMember to label_USArmyAgreementMember_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherCommitmentsLineItems" xlink:label="OtherCommitmentsLineItems" xlink:title="OtherCommitmentsLineItems" />
    <link:label xlink:type="resource" xlink:label="label_OtherCommitmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherCommitmentsLineItems" xml:lang="en-US" id="label_OtherCommitmentsLineItems">Commitments and Contingencies [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherCommitmentsLineItems" xlink:to="label_OtherCommitmentsLineItems" xlink:title="Label : OtherCommitmentsLineItems to label_OtherCommitmentsLineItems" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseCost" xlink:label="OperatingLeaseCost" xlink:title="OperatingLeaseCost" />
    <link:label xlink:type="resource" xlink:label="label_OperatingLeaseCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OperatingLeaseCost" xml:lang="en-US" id="label_OperatingLeaseCost">Operating lease costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeaseCost" xlink:to="label_OperatingLeaseCost" xlink:title="Label : OperatingLeaseCost to label_OperatingLeaseCost" />
    <link:label xlink:type="resource" xlink:label="label_OperatingLeaseCost_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OperatingLeaseCost_1" xml:lang="en-US" id="label_OperatingLeaseCost_1">Operating Lease, Cost</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeaseCost" xlink:to="label_OperatingLeaseCost_1" xlink:title="Label : OperatingLeaseCost to label_OperatingLeaseCost_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CompensationAndBenefitsTrust" xlink:label="CompensationAndBenefitsTrust" xlink:title="CompensationAndBenefitsTrust" />
    <link:label xlink:type="resource" xlink:label="label_CompensationAndBenefitsTrust" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CompensationAndBenefitsTrust" xml:lang="en-US" id="label_CompensationAndBenefitsTrust">Cash compensation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CompensationAndBenefitsTrust" xlink:to="label_CompensationAndBenefitsTrust" xlink:title="Label : CompensationAndBenefitsTrust to label_CompensationAndBenefitsTrust" />
    <link:label xlink:type="resource" xlink:label="label_CompensationAndBenefitsTrust_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CompensationAndBenefitsTrust_1" xml:lang="en-US" id="label_CompensationAndBenefitsTrust_1">Compensation and Benefits Trust</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CompensationAndBenefitsTrust" xlink:to="label_CompensationAndBenefitsTrust_1" xlink:title="Label : CompensationAndBenefitsTrust to label_CompensationAndBenefitsTrust_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_NumberOfNonAuditCommitteeChairs" xlink:label="NumberOfNonAuditCommitteeChairs" xlink:title="NumberOfNonAuditCommitteeChairs" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfNonAuditCommitteeChairs" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NumberOfNonAuditCommitteeChairs" xml:lang="en-US" id="label_NumberOfNonAuditCommitteeChairs">Number of non audit committee chairs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfNonAuditCommitteeChairs" xlink:to="label_NumberOfNonAuditCommitteeChairs" xlink:title="Label : NumberOfNonAuditCommitteeChairs to label_NumberOfNonAuditCommitteeChairs" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfNonAuditCommitteeChairs_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_NumberOfNonAuditCommitteeChairs_1" xml:lang="en-US" id="label_NumberOfNonAuditCommitteeChairs_1">Number of non-audit committee chairs.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfNonAuditCommitteeChairs" xlink:to="label_NumberOfNonAuditCommitteeChairs_1" xlink:title="Label : NumberOfNonAuditCommitteeChairs to label_NumberOfNonAuditCommitteeChairs_1" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfNonAuditCommitteeChairs_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NumberOfNonAuditCommitteeChairs_2" xml:lang="en-US" id="label_NumberOfNonAuditCommitteeChairs_2">Number Of Non Audit Committee Chairs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfNonAuditCommitteeChairs" xlink:to="label_NumberOfNonAuditCommitteeChairs_2" xlink:title="Label : NumberOfNonAuditCommitteeChairs to label_NumberOfNonAuditCommitteeChairs_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability" xlink:label="BusinessCombinationContingentConsiderationLiability" xlink:title="BusinessCombinationContingentConsiderationLiability" />
    <link:label xlink:type="resource" xlink:label="label_BusinessCombinationContingentConsiderationLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_BusinessCombinationContingentConsiderationLiability" xml:lang="en-US" id="label_BusinessCombinationContingentConsiderationLiability">Payment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessCombinationContingentConsiderationLiability" xlink:to="label_BusinessCombinationContingentConsiderationLiability" xlink:title="Label : BusinessCombinationContingentConsiderationLiability to label_BusinessCombinationContingentConsiderationLiability" />
    <link:label xlink:type="resource" xlink:label="label_BusinessCombinationContingentConsiderationLiability_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_BusinessCombinationContingentConsiderationLiability_1" xml:lang="en-US" id="label_BusinessCombinationContingentConsiderationLiability_1">Business Combination, Contingent Consideration, Liability</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessCombinationContingentConsiderationLiability" xlink:to="label_BusinessCombinationContingentConsiderationLiability_1" xlink:title="Label : BusinessCombinationContingentConsiderationLiability to label_BusinessCombinationContingentConsiderationLiability_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_LicensedTechnologyTerm" xlink:label="LicensedTechnologyTerm" xlink:title="LicensedTechnologyTerm" />
    <link:label xlink:type="resource" xlink:label="label_LicensedTechnologyTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LicensedTechnologyTerm" xml:lang="en-US" id="label_LicensedTechnologyTerm">Licensed technology term.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LicensedTechnologyTerm" xlink:to="label_LicensedTechnologyTerm" xlink:title="Label : LicensedTechnologyTerm to label_LicensedTechnologyTerm" />
    <link:label xlink:type="resource" xlink:label="label_LicensedTechnologyTerm_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_LicensedTechnologyTerm_1" xml:lang="en-US" id="label_LicensedTechnologyTerm_1">Licensed technology term.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LicensedTechnologyTerm" xlink:to="label_LicensedTechnologyTerm_1" xlink:title="Label : LicensedTechnologyTerm to label_LicensedTechnologyTerm_1" />
    <link:label xlink:type="resource" xlink:label="label_LicensedTechnologyTerm_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LicensedTechnologyTerm_2" xml:lang="en-US" id="label_LicensedTechnologyTerm_2">Licensed Technology Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LicensedTechnologyTerm" xlink:to="label_LicensedTechnologyTerm_2" xlink:title="Label : LicensedTechnologyTerm to label_LicensedTechnologyTerm_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_AnnualRoyaltyPaymentPercentage" xlink:label="AnnualRoyaltyPaymentPercentage" xlink:title="AnnualRoyaltyPaymentPercentage" />
    <link:label xlink:type="resource" xlink:label="label_AnnualRoyaltyPaymentPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AnnualRoyaltyPaymentPercentage" xml:lang="en-US" id="label_AnnualRoyaltyPaymentPercentage">Annual royalty payment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AnnualRoyaltyPaymentPercentage" xlink:to="label_AnnualRoyaltyPaymentPercentage" xlink:title="Label : AnnualRoyaltyPaymentPercentage to label_AnnualRoyaltyPaymentPercentage" />
    <link:label xlink:type="resource" xlink:label="label_AnnualRoyaltyPaymentPercentage_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_AnnualRoyaltyPaymentPercentage_1" xml:lang="en-US" id="label_AnnualRoyaltyPaymentPercentage_1">Percentage of annual royalty payment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AnnualRoyaltyPaymentPercentage" xlink:to="label_AnnualRoyaltyPaymentPercentage_1" xlink:title="Label : AnnualRoyaltyPaymentPercentage to label_AnnualRoyaltyPaymentPercentage_1" />
    <link:label xlink:type="resource" xlink:label="label_AnnualRoyaltyPaymentPercentage_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AnnualRoyaltyPaymentPercentage_2" xml:lang="en-US" id="label_AnnualRoyaltyPaymentPercentage_2">Annual Royalty Payment Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AnnualRoyaltyPaymentPercentage" xlink:to="label_AnnualRoyaltyPaymentPercentage_2" xlink:title="Label : AnnualRoyaltyPaymentPercentage to label_AnnualRoyaltyPaymentPercentage_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RoyaltyExpense" xlink:label="RoyaltyExpense" xlink:title="RoyaltyExpense" />
    <link:label xlink:type="resource" xlink:label="label_RoyaltyExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_RoyaltyExpense" xml:lang="en-US" id="label_RoyaltyExpense">Royalty expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RoyaltyExpense" xlink:to="label_RoyaltyExpense" xlink:title="Label : RoyaltyExpense to label_RoyaltyExpense" />
    <link:label xlink:type="resource" xlink:label="label_RoyaltyExpense_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RoyaltyExpense_1" xml:lang="en-US" id="label_RoyaltyExpense_1">Royalty Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RoyaltyExpense" xlink:to="label_RoyaltyExpense_1" xlink:title="Label : RoyaltyExpense to label_RoyaltyExpense_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_PercentageOfRoyaltyPaymentsOfNetSales" xlink:label="PercentageOfRoyaltyPaymentsOfNetSales" xlink:title="PercentageOfRoyaltyPaymentsOfNetSales" />
    <link:label xlink:type="resource" xlink:label="label_PercentageOfRoyaltyPaymentsOfNetSales" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PercentageOfRoyaltyPaymentsOfNetSales" xml:lang="en-US" id="label_PercentageOfRoyaltyPaymentsOfNetSales">Percentage of royalty payments of net sales</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfRoyaltyPaymentsOfNetSales" xlink:to="label_PercentageOfRoyaltyPaymentsOfNetSales" xlink:title="Label : PercentageOfRoyaltyPaymentsOfNetSales to label_PercentageOfRoyaltyPaymentsOfNetSales" />
    <link:label xlink:type="resource" xlink:label="label_PercentageOfRoyaltyPaymentsOfNetSales_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_PercentageOfRoyaltyPaymentsOfNetSales_1" xml:lang="en-US" id="label_PercentageOfRoyaltyPaymentsOfNetSales_1">Percentage of royalty payments of net sales.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfRoyaltyPaymentsOfNetSales" xlink:to="label_PercentageOfRoyaltyPaymentsOfNetSales_1" xlink:title="Label : PercentageOfRoyaltyPaymentsOfNetSales to label_PercentageOfRoyaltyPaymentsOfNetSales_1" />
    <link:label xlink:type="resource" xlink:label="label_PercentageOfRoyaltyPaymentsOfNetSales_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PercentageOfRoyaltyPaymentsOfNetSales_2" xml:lang="en-US" id="label_PercentageOfRoyaltyPaymentsOfNetSales_2">Percentage Of Royalty Payments Of Net Sales</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfRoyaltyPaymentsOfNetSales" xlink:to="label_PercentageOfRoyaltyPaymentsOfNetSales_2" xlink:title="Label : PercentageOfRoyaltyPaymentsOfNetSales to label_PercentageOfRoyaltyPaymentsOfNetSales_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_PercentageOfTreatmentOfBabesiosis" xlink:label="PercentageOfTreatmentOfBabesiosis" xlink:title="PercentageOfTreatmentOfBabesiosis" />
    <link:label xlink:type="resource" xlink:label="label_PercentageOfTreatmentOfBabesiosis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PercentageOfTreatmentOfBabesiosis" xml:lang="en-US" id="label_PercentageOfTreatmentOfBabesiosis">Percentage of treatment of babesiosis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfTreatmentOfBabesiosis" xlink:to="label_PercentageOfTreatmentOfBabesiosis" xlink:title="Label : PercentageOfTreatmentOfBabesiosis to label_PercentageOfTreatmentOfBabesiosis" />
    <link:label xlink:type="resource" xlink:label="label_PercentageOfTreatmentOfBabesiosis_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_PercentageOfTreatmentOfBabesiosis_1" xml:lang="en-US" id="label_PercentageOfTreatmentOfBabesiosis_1">Percentage of treatment of babesiosis.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfTreatmentOfBabesiosis" xlink:to="label_PercentageOfTreatmentOfBabesiosis_1" xlink:title="Label : PercentageOfTreatmentOfBabesiosis to label_PercentageOfTreatmentOfBabesiosis_1" />
    <link:label xlink:type="resource" xlink:label="label_PercentageOfTreatmentOfBabesiosis_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PercentageOfTreatmentOfBabesiosis_2" xml:lang="en-US" id="label_PercentageOfTreatmentOfBabesiosis_2">Percentage Of Treatment Of Babesiosis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfTreatmentOfBabesiosis" xlink:to="label_PercentageOfTreatmentOfBabesiosis_2" xlink:title="Label : PercentageOfTreatmentOfBabesiosis to label_PercentageOfTreatmentOfBabesiosis_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage" xlink:label="RevenueRemainingPerformanceObligationPercentage" xlink:title="RevenueRemainingPerformanceObligationPercentage" />
    <link:label xlink:type="resource" xlink:label="label_RevenueRemainingPerformanceObligationPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_RevenueRemainingPerformanceObligationPercentage" xml:lang="en-US" id="label_RevenueRemainingPerformanceObligationPercentage">Percentage of revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueRemainingPerformanceObligationPercentage" xlink:to="label_RevenueRemainingPerformanceObligationPercentage" xlink:title="Label : RevenueRemainingPerformanceObligationPercentage to label_RevenueRemainingPerformanceObligationPercentage" />
    <link:label xlink:type="resource" xlink:label="label_RevenueRemainingPerformanceObligationPercentage_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RevenueRemainingPerformanceObligationPercentage_1" xml:lang="en-US" id="label_RevenueRemainingPerformanceObligationPercentage_1">Revenue, Remaining Performance Obligation, Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueRemainingPerformanceObligationPercentage" xlink:to="label_RevenueRemainingPerformanceObligationPercentage_1" xlink:title="Label : RevenueRemainingPerformanceObligationPercentage to label_RevenueRemainingPerformanceObligationPercentage_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="ResearchAndDevelopmentExpenseMember" xlink:title="ResearchAndDevelopmentExpenseMember" />
    <link:label xlink:type="resource" xlink:label="label_ResearchAndDevelopmentExpenseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ResearchAndDevelopmentExpenseMember" xml:lang="en-US" id="label_ResearchAndDevelopmentExpenseMember">Research and Development Expense [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentExpenseMember" xlink:to="label_ResearchAndDevelopmentExpenseMember" xlink:title="Label : ResearchAndDevelopmentExpenseMember to label_ResearchAndDevelopmentExpenseMember" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract" xlink:label="CoverAbstract" xlink:title="CoverAbstract" />
    <link:label xlink:type="resource" xlink:label="label_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CoverAbstract" xml:lang="en-US" id="label_CoverAbstract">Cover [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CoverAbstract" xlink:to="label_CoverAbstract" xlink:title="Label : CoverAbstract to label_CoverAbstract" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems" xlink:label="DocumentInformationLineItems" xlink:title="DocumentInformationLineItems" />
    <link:label xlink:type="resource" xlink:label="label_DocumentInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DocumentInformationLineItems" xml:lang="en-US" id="label_DocumentInformationLineItems">Document Information [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentInformationLineItems" xlink:to="label_DocumentInformationLineItems" xlink:title="Label : DocumentInformationLineItems to label_DocumentInformationLineItems" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType" xlink:label="DocumentType" xlink:title="DocumentType" />
    <link:label xlink:type="resource" xlink:label="label_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DocumentType" xml:lang="en-US" id="label_DocumentType">Document Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentType" xlink:to="label_DocumentType" xlink:title="Label : DocumentType to label_DocumentType" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag" xlink:label="AmendmentFlag" xlink:title="AmendmentFlag" />
    <link:label xlink:type="resource" xlink:label="label_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AmendmentFlag" xml:lang="en-US" id="label_AmendmentFlag">Amendment Flag</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmendmentFlag" xlink:to="label_AmendmentFlag" xlink:title="Label : AmendmentFlag to label_AmendmentFlag" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate" xlink:label="DocumentPeriodEndDate" xlink:title="DocumentPeriodEndDate" />
    <link:label xlink:type="resource" xlink:label="label_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DocumentPeriodEndDate" xml:lang="en-US" id="label_DocumentPeriodEndDate">Document Period End Date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentPeriodEndDate" xlink:to="label_DocumentPeriodEndDate" xlink:title="Label : DocumentPeriodEndDate to label_DocumentPeriodEndDate" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalYearFocus" xlink:label="DocumentFiscalYearFocus" xlink:title="DocumentFiscalYearFocus" />
    <link:label xlink:type="resource" xlink:label="label_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DocumentFiscalYearFocus" xml:lang="en-US" id="label_DocumentFiscalYearFocus">Document Fiscal Year Focus</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentFiscalYearFocus" xlink:to="label_DocumentFiscalYearFocus" xlink:title="Label : DocumentFiscalYearFocus to label_DocumentFiscalYearFocus" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="DocumentFiscalPeriodFocus" xlink:title="DocumentFiscalPeriodFocus" />
    <link:label xlink:type="resource" xlink:label="label_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DocumentFiscalPeriodFocus" xml:lang="en-US" id="label_DocumentFiscalPeriodFocus">Document Fiscal Period Focus</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentFiscalPeriodFocus" xlink:to="label_DocumentFiscalPeriodFocus" xlink:title="Label : DocumentFiscalPeriodFocus to label_DocumentFiscalPeriodFocus" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName" xlink:label="EntityRegistrantName" xlink:title="EntityRegistrantName" />
    <link:label xlink:type="resource" xlink:label="label_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityRegistrantName" xml:lang="en-US" id="label_EntityRegistrantName">Entity Registrant Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityRegistrantName" xlink:to="label_EntityRegistrantName" xlink:title="Label : EntityRegistrantName to label_EntityRegistrantName" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey" xlink:label="EntityCentralIndexKey" xlink:title="EntityCentralIndexKey" />
    <link:label xlink:type="resource" xlink:label="label_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityCentralIndexKey" xml:lang="en-US" id="label_EntityCentralIndexKey">Entity Central Index Key</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityCentralIndexKey" xlink:to="label_EntityCentralIndexKey" xlink:title="Label : EntityCentralIndexKey to label_EntityCentralIndexKey" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CurrentFiscalYearEndDate" xlink:label="CurrentFiscalYearEndDate" xlink:title="CurrentFiscalYearEndDate" />
    <link:label xlink:type="resource" xlink:label="label_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CurrentFiscalYearEndDate" xml:lang="en-US" id="label_CurrentFiscalYearEndDate">Current Fiscal Year End Date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CurrentFiscalYearEndDate" xlink:to="label_CurrentFiscalYearEndDate" xlink:title="Label : CurrentFiscalYearEndDate to label_CurrentFiscalYearEndDate" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFilerCategory" xlink:label="EntityFilerCategory" xlink:title="EntityFilerCategory" />
    <link:label xlink:type="resource" xlink:label="label_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityFilerCategory" xml:lang="en-US" id="label_EntityFilerCategory">Entity Filer Category</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityFilerCategory" xlink:to="label_EntityFilerCategory" xlink:title="Label : EntityFilerCategory to label_EntityFilerCategory" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany" xlink:label="EntityEmergingGrowthCompany" xlink:title="EntityEmergingGrowthCompany" />
    <link:label xlink:type="resource" xlink:label="label_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityEmergingGrowthCompany" xml:lang="en-US" id="label_EntityEmergingGrowthCompany">Entity Emerging Growth Company</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityEmergingGrowthCompany" xlink:to="label_EntityEmergingGrowthCompany" xlink:title="Label : EntityEmergingGrowthCompany to label_EntityEmergingGrowthCompany" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntitySmallBusiness" xlink:label="EntitySmallBusiness" xlink:title="EntitySmallBusiness" />
    <link:label xlink:type="resource" xlink:label="label_EntitySmallBusiness" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntitySmallBusiness" xml:lang="en-US" id="label_EntitySmallBusiness">Entity Small Business</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntitySmallBusiness" xlink:to="label_EntitySmallBusiness" xlink:title="Label : EntitySmallBusiness to label_EntitySmallBusiness" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber" xlink:label="EntityFileNumber" xlink:title="EntityFileNumber" />
    <link:label xlink:type="resource" xlink:label="label_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityFileNumber" xml:lang="en-US" id="label_EntityFileNumber">Entity File Number</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityFileNumber" xlink:to="label_EntityFileNumber" xlink:title="Label : EntityFileNumber to label_EntityFileNumber" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber" xlink:label="EntityTaxIdentificationNumber" xlink:title="EntityTaxIdentificationNumber" />
    <link:label xlink:type="resource" xlink:label="label_EntityTaxIdentificationNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityTaxIdentificationNumber" xml:lang="en-US" id="label_EntityTaxIdentificationNumber">Entity Tax Identification Number</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityTaxIdentificationNumber" xlink:to="label_EntityTaxIdentificationNumber" xlink:title="Label : EntityTaxIdentificationNumber to label_EntityTaxIdentificationNumber" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityInteractiveDataCurrent" xlink:label="EntityInteractiveDataCurrent" xlink:title="EntityInteractiveDataCurrent" />
    <link:label xlink:type="resource" xlink:label="label_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityInteractiveDataCurrent" xml:lang="en-US" id="label_EntityInteractiveDataCurrent">Entity Interactive Data Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityInteractiveDataCurrent" xlink:to="label_EntityInteractiveDataCurrent" xlink:title="Label : EntityInteractiveDataCurrent to label_EntityInteractiveDataCurrent" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityShellCompany" xlink:label="EntityShellCompany" xlink:title="EntityShellCompany" />
    <link:label xlink:type="resource" xlink:label="label_EntityShellCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityShellCompany" xml:lang="en-US" id="label_EntityShellCompany">Entity Shell Company</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityShellCompany" xlink:to="label_EntityShellCompany" xlink:title="Label : EntityShellCompany to label_EntityShellCompany" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentQuarterlyReport" xlink:label="DocumentQuarterlyReport" xlink:title="DocumentQuarterlyReport" />
    <link:label xlink:type="resource" xlink:label="label_DocumentQuarterlyReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DocumentQuarterlyReport" xml:lang="en-US" id="label_DocumentQuarterlyReport">Document Quarterly Report</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentQuarterlyReport" xlink:to="label_DocumentQuarterlyReport" xlink:title="Label : DocumentQuarterlyReport to label_DocumentQuarterlyReport" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentTransitionReport" xlink:label="DocumentTransitionReport" xlink:title="DocumentTransitionReport" />
    <link:label xlink:type="resource" xlink:label="label_DocumentTransitionReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DocumentTransitionReport" xml:lang="en-US" id="label_DocumentTransitionReport">Document Transition Report</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentTransitionReport" xlink:to="label_DocumentTransitionReport" xlink:title="Label : DocumentTransitionReport to label_DocumentTransitionReport" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityExTransitionPeriod" xlink:label="EntityExTransitionPeriod" xlink:title="EntityExTransitionPeriod" />
    <link:label xlink:type="resource" xlink:label="label_EntityExTransitionPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityExTransitionPeriod" xml:lang="en-US" id="label_EntityExTransitionPeriod">Entity Ex Transition Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityExTransitionPeriod" xlink:to="label_EntityExTransitionPeriod" xlink:title="Label : EntityExTransitionPeriod to label_EntityExTransitionPeriod" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="EntityIncorporationStateCountryCode" xlink:title="EntityIncorporationStateCountryCode" />
    <link:label xlink:type="resource" xlink:label="label_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityIncorporationStateCountryCode" xml:lang="en-US" id="label_EntityIncorporationStateCountryCode">Entity Incorporation, State or Country Code</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityIncorporationStateCountryCode" xlink:to="label_EntityIncorporationStateCountryCode" xlink:title="Label : EntityIncorporationStateCountryCode to label_EntityIncorporationStateCountryCode" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1" xlink:label="EntityAddressAddressLine1" xlink:title="EntityAddressAddressLine1" />
    <link:label xlink:type="resource" xlink:label="label_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityAddressAddressLine1" xml:lang="en-US" id="label_EntityAddressAddressLine1">Entity Address, Address Line One</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityAddressAddressLine1" xlink:to="label_EntityAddressAddressLine1" xlink:title="Label : EntityAddressAddressLine1 to label_EntityAddressAddressLine1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine2" xlink:label="EntityAddressAddressLine2" xlink:title="EntityAddressAddressLine2" />
    <link:label xlink:type="resource" xlink:label="label_EntityAddressAddressLine2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityAddressAddressLine2" xml:lang="en-US" id="label_EntityAddressAddressLine2">Entity Address, Address Line Two</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityAddressAddressLine2" xlink:to="label_EntityAddressAddressLine2" xlink:title="Label : EntityAddressAddressLine2 to label_EntityAddressAddressLine2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown" xlink:label="EntityAddressCityOrTown" xlink:title="EntityAddressCityOrTown" />
    <link:label xlink:type="resource" xlink:label="label_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityAddressCityOrTown" xml:lang="en-US" id="label_EntityAddressCityOrTown">Entity Address, City or Town</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityAddressCityOrTown" xlink:to="label_EntityAddressCityOrTown" xlink:title="Label : EntityAddressCityOrTown to label_EntityAddressCityOrTown" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince" xlink:label="EntityAddressStateOrProvince" xlink:title="EntityAddressStateOrProvince" />
    <link:label xlink:type="resource" xlink:label="label_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityAddressStateOrProvince" xml:lang="en-US" id="label_EntityAddressStateOrProvince">Entity Address, State or Province</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityAddressStateOrProvince" xlink:to="label_EntityAddressStateOrProvince" xlink:title="Label : EntityAddressStateOrProvince to label_EntityAddressStateOrProvince" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode" xlink:label="EntityAddressPostalZipCode" xlink:title="EntityAddressPostalZipCode" />
    <link:label xlink:type="resource" xlink:label="label_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityAddressPostalZipCode" xml:lang="en-US" id="label_EntityAddressPostalZipCode">Entity Address, Postal Zip Code</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityAddressPostalZipCode" xlink:to="label_EntityAddressPostalZipCode" xlink:title="Label : EntityAddressPostalZipCode to label_EntityAddressPostalZipCode" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode" xlink:label="CityAreaCode" xlink:title="CityAreaCode" />
    <link:label xlink:type="resource" xlink:label="label_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CityAreaCode" xml:lang="en-US" id="label_CityAreaCode">City Area Code</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CityAreaCode" xlink:to="label_CityAreaCode" xlink:title="Label : CityAreaCode to label_CityAreaCode" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber" xlink:label="LocalPhoneNumber" xlink:title="LocalPhoneNumber" />
    <link:label xlink:type="resource" xlink:label="label_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LocalPhoneNumber" xml:lang="en-US" id="label_LocalPhoneNumber">Local Phone Number</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LocalPhoneNumber" xlink:to="label_LocalPhoneNumber" xlink:title="Label : LocalPhoneNumber to label_LocalPhoneNumber" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle" xlink:label="Security12bTitle" xlink:title="Security12bTitle" />
    <link:label xlink:type="resource" xlink:label="label_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_Security12bTitle" xml:lang="en-US" id="label_Security12bTitle">Title of 12(b) Security</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Security12bTitle" xlink:to="label_Security12bTitle" xlink:title="Label : Security12bTitle to label_Security12bTitle" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName" xlink:label="SecurityExchangeName" xlink:title="SecurityExchangeName" />
    <link:label xlink:type="resource" xlink:label="label_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SecurityExchangeName" xml:lang="en-US" id="label_SecurityExchangeName">Security Exchange Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SecurityExchangeName" xlink:to="label_SecurityExchangeName" xlink:title="Label : SecurityExchangeName to label_SecurityExchangeName" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol" xlink:label="TradingSymbol" xlink:title="TradingSymbol" />
    <link:label xlink:type="resource" xlink:label="label_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_TradingSymbol" xml:lang="en-US" id="label_TradingSymbol">Trading Symbol</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TradingSymbol" xlink:to="label_TradingSymbol" xlink:title="Label : TradingSymbol to label_TradingSymbol" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="EntityCommonStockSharesOutstanding" xlink:title="EntityCommonStockSharesOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityCommonStockSharesOutstanding" xml:lang="en-US" id="label_EntityCommonStockSharesOutstanding">Entity Common Stock, Shares Outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityCommonStockSharesOutstanding" xlink:to="label_EntityCommonStockSharesOutstanding" xlink:title="Label : EntityCommonStockSharesOutstanding to label_EntityCommonStockSharesOutstanding" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCurrentReportingStatus" xlink:label="EntityCurrentReportingStatus" xlink:title="EntityCurrentReportingStatus" />
    <link:label xlink:type="resource" xlink:label="label_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntityCurrentReportingStatus" xml:lang="en-US" id="label_EntityCurrentReportingStatus">Entity Current Reporting Status</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityCurrentReportingStatus" xlink:to="label_EntityCurrentReportingStatus" xlink:title="Label : EntityCurrentReportingStatus to label_EntityCurrentReportingStatus" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember" xlink:label="CommonStockMember" xlink:title="CommonStockMember" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CommonStockMember" xml:lang="en-US" id="label_CommonStockMember">Common Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockMember" xlink:to="label_CommonStockMember" xlink:title="Label : CommonStockMember to label_CommonStockMember" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockMember_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_CommonStockMember_1" xml:lang="en-US" id="label_CommonStockMember_1">Common Stock, par value $0.0001 per share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockMember" xlink:to="label_CommonStockMember_1" xlink:title="Label : CommonStockMember to label_CommonStockMember_1" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockMember_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommonStockMember_2" xml:lang="en-US" id="label_CommonStockMember_2">Common Stock [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockMember" xlink:to="label_CommonStockMember_2" xlink:title="Label : CommonStockMember to label_CommonStockMember_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WarrantMember" xlink:label="WarrantMember" xlink:title="WarrantMember" />
    <link:label xlink:type="resource" xlink:label="label_WarrantMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_WarrantMember" xml:lang="en-US" id="label_WarrantMember">Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantMember" xlink:to="label_WarrantMember" xlink:title="Label : WarrantMember to label_WarrantMember" />
    <link:label xlink:type="resource" xlink:label="label_WarrantMember_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_WarrantMember_1" xml:lang="en-US" id="label_WarrantMember_1">Warrants, each warrant to purchase one share of Common Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantMember" xlink:to="label_WarrantMember_1" xlink:title="Label : WarrantMember to label_WarrantMember_1" />
    <link:label xlink:type="resource" xlink:label="label_WarrantMember_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_WarrantMember_2" xml:lang="en-US" id="label_WarrantMember_2">Warrant [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantMember" xlink:to="label_WarrantMember_2" xlink:title="Label : WarrantMember to label_WarrantMember_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AwardTypeAxis" xlink:label="AwardTypeAxis" xlink:title="AwardTypeAxis" />
    <link:label xlink:type="resource" xlink:label="label_AwardTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AwardTypeAxis" xml:lang="en-US" id="label_AwardTypeAxis">Award Type Axis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AwardTypeAxis" xlink:to="label_AwardTypeAxis" xlink:title="Label : AwardTypeAxis to label_AwardTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntitiesTable" xlink:label="EntitiesTable" xlink:title="EntitiesTable" />
    <link:label xlink:type="resource" xlink:label="label_EntitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EntitiesTable" xml:lang="en-US" id="label_EntitiesTable">Entities [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntitiesTable" xlink:to="label_EntitiesTable" xlink:title="Label : EntitiesTable to label_EntitiesTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" />
    <link:label xlink:type="resource" xlink:label="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US" id="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest">Loss from Operations before Provision for Income Taxes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:title="Label : IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest to label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" />
    <link:label xlink:type="resource" xlink:label="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1" xml:lang="en-US" id="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1" xlink:title="Label : IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest to label_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss" />
    <link:label xlink:type="resource" xlink:label="label_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_NetIncomeLoss" xml:lang="en-US" id="label_NetIncomeLoss">Net Loss &#x2013; attributed to 60 Degrees Pharmaceuticals, Inc.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLoss" xlink:to="label_NetIncomeLoss" xlink:title="Label : NetIncomeLoss to label_NetIncomeLoss" />
    <link:label xlink:type="resource" xlink:label="label_NetIncomeLoss_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NetIncomeLoss_1" xml:lang="en-US" id="label_NetIncomeLoss_1">Net Income (Loss)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLoss" xlink:to="label_NetIncomeLoss_1" xlink:title="Label : NetIncomeLoss to label_NetIncomeLoss_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:title="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" />
    <link:label xlink:type="resource" xlink:label="label_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xml:lang="en-US" id="label_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract">Comprehensive Loss:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="label_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:title="Label : OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to label_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" />
    <link:label xlink:type="resource" xlink:label="label_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_1" xml:lang="en-US" id="label_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_1">Other Comprehensive Income (Loss), Net of Tax [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="label_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_1" xlink:title="Label : OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to label_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
    <link:label xlink:type="resource" xlink:label="label_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US" id="label_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest">Total Comprehensive Loss</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="label_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="Label : ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest to label_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
    <link:label xlink:type="resource" xlink:label="label_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_1" xml:lang="en-US" id="label_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_1">Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="label_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_1" xlink:title="Label : ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest to label_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="ComprehensiveIncomeNetOfTax" xlink:title="ComprehensiveIncomeNetOfTax" />
    <link:label xlink:type="resource" xlink:label="label_ComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_ComprehensiveIncomeNetOfTax" xml:lang="en-US" id="label_ComprehensiveIncomeNetOfTax">Comprehensive Loss &#x2013; attributed to 60 Degrees Pharmaceuticals, Inc.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComprehensiveIncomeNetOfTax" xlink:to="label_ComprehensiveIncomeNetOfTax" xlink:title="Label : ComprehensiveIncomeNetOfTax to label_ComprehensiveIncomeNetOfTax" />
    <link:label xlink:type="resource" xlink:label="label_ComprehensiveIncomeNetOfTax_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ComprehensiveIncomeNetOfTax_1" xml:lang="en-US" id="label_ComprehensiveIncomeNetOfTax_1">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComprehensiveIncomeNetOfTax" xlink:to="label_ComprehensiveIncomeNetOfTax_1" xlink:title="Label : ComprehensiveIncomeNetOfTax to label_ComprehensiveIncomeNetOfTax_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="NetIncomeLossAvailableToCommonStockholdersBasic" xlink:title="NetIncomeLossAvailableToCommonStockholdersBasic" />
    <link:label xlink:type="resource" xlink:label="label_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_NetIncomeLossAvailableToCommonStockholdersBasic" xml:lang="en-US" id="label_NetIncomeLossAvailableToCommonStockholdersBasic">Net Loss - attributed to common stockholders</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="label_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:title="Label : NetIncomeLossAvailableToCommonStockholdersBasic to label_NetIncomeLossAvailableToCommonStockholdersBasic" />
    <link:label xlink:type="resource" xlink:label="label_NetIncomeLossAvailableToCommonStockholdersBasic_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NetIncomeLossAvailableToCommonStockholdersBasic_1" xml:lang="en-US" id="label_NetIncomeLossAvailableToCommonStockholdersBasic_1">Net Income (Loss) Available to Common Stockholders, Basic</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="label_NetIncomeLossAvailableToCommonStockholdersBasic_1" xlink:title="Label : NetIncomeLossAvailableToCommonStockholdersBasic to label_NetIncomeLossAvailableToCommonStockholdersBasic_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="EarningsPerShareAbstract" xlink:title="EarningsPerShareAbstract" />
    <link:label xlink:type="resource" xlink:label="label_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_EarningsPerShareAbstract" xml:lang="en-US" id="label_EarningsPerShareAbstract">Net Loss per Common Share:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareAbstract" xlink:to="label_EarningsPerShareAbstract" xlink:title="Label : EarningsPerShareAbstract to label_EarningsPerShareAbstract" />
    <link:label xlink:type="resource" xlink:label="label_EarningsPerShareAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EarningsPerShareAbstract_1" xml:lang="en-US" id="label_EarningsPerShareAbstract_1">Earnings Per Share [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareAbstract" xlink:to="label_EarningsPerShareAbstract_1" xlink:title="Label : EarningsPerShareAbstract to label_EarningsPerShareAbstract_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US" id="label_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract">Adjustments to Reconcile Net Loss to Net Cash Used in Operating Activities:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="label_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="Label : AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to label_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1" xml:lang="en-US" id="label_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="label_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1" xlink:title="Label : AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to label_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseRenewalTerm" xlink:label="LesseeOperatingLeaseRenewalTerm" xlink:title="LesseeOperatingLeaseRenewalTerm" />
    <link:label xlink:type="resource" xlink:label="label_LesseeOperatingLeaseRenewalTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LesseeOperatingLeaseRenewalTerm" xml:lang="en-US" id="label_LesseeOperatingLeaseRenewalTerm">Lessee, Operating Lease, Renewal Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LesseeOperatingLeaseRenewalTerm" xlink:to="label_LesseeOperatingLeaseRenewalTerm" xlink:title="Label : LesseeOperatingLeaseRenewalTerm to label_LesseeOperatingLeaseRenewalTerm" />
    <link:label xlink:type="resource" xlink:label="label_LesseeOperatingLeaseRenewalTerm_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LesseeOperatingLeaseRenewalTerm_1" xml:lang="en-US" id="label_LesseeOperatingLeaseRenewalTerm_1">Office space lease renewed term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LesseeOperatingLeaseRenewalTerm" xlink:to="label_LesseeOperatingLeaseRenewalTerm_1" xlink:title="Label : LesseeOperatingLeaseRenewalTerm to label_LesseeOperatingLeaseRenewalTerm_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_NumberOfExecutives" xlink:label="NumberOfExecutives" xlink:title="NumberOfExecutives" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfExecutives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NumberOfExecutives" xml:lang="en-US" id="label_NumberOfExecutives">Stock option granted to number of executives</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfExecutives" xlink:to="label_NumberOfExecutives" xlink:title="Label : NumberOfExecutives to label_NumberOfExecutives" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfExecutives_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_NumberOfExecutives_1" xml:lang="en-US" id="label_NumberOfExecutives_1">Number of executives.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfExecutives" xlink:to="label_NumberOfExecutives_1" xlink:title="Label : NumberOfExecutives to label_NumberOfExecutives_1" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfExecutives_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NumberOfExecutives_2" xml:lang="en-US" id="label_NumberOfExecutives_2">Number Of Executives</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfExecutives" xlink:to="label_NumberOfExecutives_2" xlink:title="Label : NumberOfExecutives to label_NumberOfExecutives_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SignificantCustomerTwoMember" xlink:label="SignificantCustomerTwoMember" xlink:title="SignificantCustomerTwoMember" />
    <link:label xlink:type="resource" xlink:label="label_SignificantCustomerTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SignificantCustomerTwoMember" xml:lang="en-US" id="label_SignificantCustomerTwoMember">Significant Customer Two [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantCustomerTwoMember" xlink:to="label_SignificantCustomerTwoMember" xlink:title="Label : SignificantCustomerTwoMember to label_SignificantCustomerTwoMember" />
    <link:label xlink:type="resource" xlink:label="label_SignificantCustomerTwoMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SignificantCustomerTwoMember_1" xml:lang="en-US" id="label_SignificantCustomerTwoMember_1">This member stands for the information pertaining to "Significant Customer Two".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantCustomerTwoMember" xlink:to="label_SignificantCustomerTwoMember_1" xlink:title="Label : SignificantCustomerTwoMember to label_SignificantCustomerTwoMember_1" />
    <link:label xlink:type="resource" xlink:label="label_SignificantCustomerTwoMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SignificantCustomerTwoMember_2" xml:lang="en-US" id="label_SignificantCustomerTwoMember_2">Significant Customer Two [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantCustomerTwoMember" xlink:to="label_SignificantCustomerTwoMember_2" xlink:title="Label : SignificantCustomerTwoMember to label_SignificantCustomerTwoMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SignificantCustomerThreeMember" xlink:label="SignificantCustomerThreeMember" xlink:title="SignificantCustomerThreeMember" />
    <link:label xlink:type="resource" xlink:label="label_SignificantCustomerThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SignificantCustomerThreeMember" xml:lang="en-US" id="label_SignificantCustomerThreeMember">Significant Customer Three [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantCustomerThreeMember" xlink:to="label_SignificantCustomerThreeMember" xlink:title="Label : SignificantCustomerThreeMember to label_SignificantCustomerThreeMember" />
    <link:label xlink:type="resource" xlink:label="label_SignificantCustomerThreeMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SignificantCustomerThreeMember_1" xml:lang="en-US" id="label_SignificantCustomerThreeMember_1">Significant Customer Three [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantCustomerThreeMember" xlink:to="label_SignificantCustomerThreeMember_1" xlink:title="Label : SignificantCustomerThreeMember to label_SignificantCustomerThreeMember_1" />
    <link:label xlink:type="resource" xlink:label="label_SignificantCustomerThreeMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SignificantCustomerThreeMember_2" xml:lang="en-US" id="label_SignificantCustomerThreeMember_2">This member stands for the information pertaining to "Significant Customer Three".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantCustomerThreeMember" xlink:to="label_SignificantCustomerThreeMember_2" xlink:title="Label : SignificantCustomerThreeMember to label_SignificantCustomerThreeMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_TrevallyLLCMember" xlink:label="TrevallyLLCMember" xlink:title="TrevallyLLCMember" />
    <link:label xlink:type="resource" xlink:label="label_TrevallyLLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_TrevallyLLCMember" xml:lang="en-US" id="label_TrevallyLLCMember">Trevally, LLC [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TrevallyLLCMember" xlink:to="label_TrevallyLLCMember" xlink:title="Label : TrevallyLLCMember to label_TrevallyLLCMember" />
    <link:label xlink:type="resource" xlink:label="label_TrevallyLLCMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_TrevallyLLCMember_1" xml:lang="en-US" id="label_TrevallyLLCMember_1">Trevally, LLC [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TrevallyLLCMember" xlink:to="label_TrevallyLLCMember_1" xlink:title="Label : TrevallyLLCMember to label_TrevallyLLCMember_1" />
    <link:label xlink:type="resource" xlink:label="label_TrevallyLLCMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_TrevallyLLCMember_2" xml:lang="en-US" id="label_TrevallyLLCMember_2">This member stands for the information pertaining to "Trevally, LLC".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TrevallyLLCMember" xlink:to="label_TrevallyLLCMember_2" xlink:title="Label : TrevallyLLCMember to label_TrevallyLLCMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_AgreedToReturnShares" xlink:label="AgreedToReturnShares" xlink:title="AgreedToReturnShares" />
    <link:label xlink:type="resource" xlink:label="label_AgreedToReturnShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AgreedToReturnShares" xml:lang="en-US" id="label_AgreedToReturnShares">Agreed to return shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AgreedToReturnShares" xlink:to="label_AgreedToReturnShares" xlink:title="Label : AgreedToReturnShares to label_AgreedToReturnShares" />
    <link:label xlink:type="resource" xlink:label="label_AgreedToReturnShares_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AgreedToReturnShares_1" xml:lang="en-US" id="label_AgreedToReturnShares_1">Agreed to return shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AgreedToReturnShares" xlink:to="label_AgreedToReturnShares_1" xlink:title="Label : AgreedToReturnShares to label_AgreedToReturnShares_1" />
    <link:label xlink:type="resource" xlink:label="label_AgreedToReturnShares_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_AgreedToReturnShares_2" xml:lang="en-US" id="label_AgreedToReturnShares_2">Number of agreed to return shares.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AgreedToReturnShares" xlink:to="label_AgreedToReturnShares_2" xlink:title="Label : AgreedToReturnShares to label_AgreedToReturnShares_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_1">Stock option granted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTable" xlink:label="SubsequentEventTable" xlink:title="SubsequentEventTable" />
    <link:label xlink:type="resource" xlink:label="label_SubsequentEventTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SubsequentEventTable" xml:lang="en-US" id="label_SubsequentEventTable">Subsequent Event [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventTable" xlink:to="label_SubsequentEventTable" xlink:title="Label : SubsequentEventTable to label_SubsequentEventTable" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="SubsequentEventTypeAxis" xlink:title="SubsequentEventTypeAxis" />
    <link:label xlink:type="resource" xlink:label="label_SubsequentEventTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SubsequentEventTypeAxis" xml:lang="en-US" id="label_SubsequentEventTypeAxis">Subsequent Event Type [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventTypeAxis" xlink:to="label_SubsequentEventTypeAxis" xlink:title="Label : SubsequentEventTypeAxis to label_SubsequentEventTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="SubsequentEventTypeDomain" xlink:title="SubsequentEventTypeDomain" />
    <link:label xlink:type="resource" xlink:label="label_SubsequentEventTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SubsequentEventTypeDomain" xml:lang="en-US" id="label_SubsequentEventTypeDomain">Subsequent Event Type [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventTypeDomain" xlink:to="label_SubsequentEventTypeDomain" xlink:title="Label : SubsequentEventTypeDomain to label_SubsequentEventTypeDomain" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventMember" xlink:label="SubsequentEventMember" xlink:title="SubsequentEventMember" />
    <link:label xlink:type="resource" xlink:label="label_SubsequentEventMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SubsequentEventMember" xml:lang="en-US" id="label_SubsequentEventMember">Subsequent Event [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventMember" xlink:to="label_SubsequentEventMember" xlink:title="Label : SubsequentEventMember to label_SubsequentEventMember" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_JulyTwoThousandTwentyFivePreFundedWarrantsMember" xlink:label="JulyTwoThousandTwentyFivePreFundedWarrantsMember" xlink:title="JulyTwoThousandTwentyFivePreFundedWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_JulyTwoThousandTwentyFivePreFundedWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_JulyTwoThousandTwentyFivePreFundedWarrantsMember" xml:lang="en-US" id="label_JulyTwoThousandTwentyFivePreFundedWarrantsMember">July Two Thousand Twenty Five Pre Funded Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JulyTwoThousandTwentyFivePreFundedWarrantsMember" xlink:to="label_JulyTwoThousandTwentyFivePreFundedWarrantsMember" xlink:title="Label : JulyTwoThousandTwentyFivePreFundedWarrantsMember to label_JulyTwoThousandTwentyFivePreFundedWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_JulyTwoThousandTwentyFivePreFundedWarrantsMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_JulyTwoThousandTwentyFivePreFundedWarrantsMember_1" xml:lang="en-US" id="label_JulyTwoThousandTwentyFivePreFundedWarrantsMember_1">This member stands for the information pertaining to "July 2025 Pre-Funded Warrants".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JulyTwoThousandTwentyFivePreFundedWarrantsMember" xlink:to="label_JulyTwoThousandTwentyFivePreFundedWarrantsMember_1" xlink:title="Label : JulyTwoThousandTwentyFivePreFundedWarrantsMember to label_JulyTwoThousandTwentyFivePreFundedWarrantsMember_1" />
    <link:label xlink:type="resource" xlink:label="label_JulyTwoThousandTwentyFivePreFundedWarrantsMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_JulyTwoThousandTwentyFivePreFundedWarrantsMember_2" xml:lang="en-US" id="label_JulyTwoThousandTwentyFivePreFundedWarrantsMember_2">July 2025 Pre-Funded Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JulyTwoThousandTwentyFivePreFundedWarrantsMember" xlink:to="label_JulyTwoThousandTwentyFivePreFundedWarrantsMember_2" xlink:title="Label : JulyTwoThousandTwentyFivePreFundedWarrantsMember to label_JulyTwoThousandTwentyFivePreFundedWarrantsMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_JulyTwoThousandTwentyFiveAOneWarrantsMember" xlink:label="JulyTwoThousandTwentyFiveAOneWarrantsMember" xlink:title="JulyTwoThousandTwentyFiveAOneWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_JulyTwoThousandTwentyFiveAOneWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_JulyTwoThousandTwentyFiveAOneWarrantsMember" xml:lang="en-US" id="label_JulyTwoThousandTwentyFiveAOneWarrantsMember">July Two Thousand Twenty Five A One Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JulyTwoThousandTwentyFiveAOneWarrantsMember" xlink:to="label_JulyTwoThousandTwentyFiveAOneWarrantsMember" xlink:title="Label : JulyTwoThousandTwentyFiveAOneWarrantsMember to label_JulyTwoThousandTwentyFiveAOneWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_JulyTwoThousandTwentyFiveAOneWarrantsMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_JulyTwoThousandTwentyFiveAOneWarrantsMember_1" xml:lang="en-US" id="label_JulyTwoThousandTwentyFiveAOneWarrantsMember_1">This member stands for the information pertaining to "July 2025 A-1 Warrants".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JulyTwoThousandTwentyFiveAOneWarrantsMember" xlink:to="label_JulyTwoThousandTwentyFiveAOneWarrantsMember_1" xlink:title="Label : JulyTwoThousandTwentyFiveAOneWarrantsMember to label_JulyTwoThousandTwentyFiveAOneWarrantsMember_1" />
    <link:label xlink:type="resource" xlink:label="label_JulyTwoThousandTwentyFiveAOneWarrantsMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_JulyTwoThousandTwentyFiveAOneWarrantsMember_2" xml:lang="en-US" id="label_JulyTwoThousandTwentyFiveAOneWarrantsMember_2">July 2025 A-1 Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JulyTwoThousandTwentyFiveAOneWarrantsMember" xlink:to="label_JulyTwoThousandTwentyFiveAOneWarrantsMember_2" xlink:title="Label : JulyTwoThousandTwentyFiveAOneWarrantsMember to label_JulyTwoThousandTwentyFiveAOneWarrantsMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_JulyTwoThousandTwentyFiveATwoWarrantsMember" xlink:label="JulyTwoThousandTwentyFiveATwoWarrantsMember" xlink:title="JulyTwoThousandTwentyFiveATwoWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_JulyTwoThousandTwentyFiveATwoWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_JulyTwoThousandTwentyFiveATwoWarrantsMember" xml:lang="en-US" id="label_JulyTwoThousandTwentyFiveATwoWarrantsMember">July Two Thousand Twenty Five A Two Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JulyTwoThousandTwentyFiveATwoWarrantsMember" xlink:to="label_JulyTwoThousandTwentyFiveATwoWarrantsMember" xlink:title="Label : JulyTwoThousandTwentyFiveATwoWarrantsMember to label_JulyTwoThousandTwentyFiveATwoWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_JulyTwoThousandTwentyFiveATwoWarrantsMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_JulyTwoThousandTwentyFiveATwoWarrantsMember_1" xml:lang="en-US" id="label_JulyTwoThousandTwentyFiveATwoWarrantsMember_1">This member stands for the information pertaining to "July 2025 A-2 Warrants".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JulyTwoThousandTwentyFiveATwoWarrantsMember" xlink:to="label_JulyTwoThousandTwentyFiveATwoWarrantsMember_1" xlink:title="Label : JulyTwoThousandTwentyFiveATwoWarrantsMember to label_JulyTwoThousandTwentyFiveATwoWarrantsMember_1" />
    <link:label xlink:type="resource" xlink:label="label_JulyTwoThousandTwentyFiveATwoWarrantsMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_JulyTwoThousandTwentyFiveATwoWarrantsMember_2" xml:lang="en-US" id="label_JulyTwoThousandTwentyFiveATwoWarrantsMember_2">July 2025 A-2 Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JulyTwoThousandTwentyFiveATwoWarrantsMember" xlink:to="label_JulyTwoThousandTwentyFiveATwoWarrantsMember_2" xlink:title="Label : JulyTwoThousandTwentyFiveATwoWarrantsMember to label_JulyTwoThousandTwentyFiveATwoWarrantsMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember" xlink:label="JulyTwoThousandTwentyFivePlacementAgentWarrantsMember" xlink:title="JulyTwoThousandTwentyFivePlacementAgentWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember" xml:lang="en-US" id="label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember">July Two Thousand Twenty Five Placement Agent Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JulyTwoThousandTwentyFivePlacementAgentWarrantsMember" xlink:to="label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember" xlink:title="Label : JulyTwoThousandTwentyFivePlacementAgentWarrantsMember to label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember_1" xml:lang="en-US" id="label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember_1">This member stands for the information pertaining to "July 2025 Placement Agent Warrants".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JulyTwoThousandTwentyFivePlacementAgentWarrantsMember" xlink:to="label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember_1" xlink:title="Label : JulyTwoThousandTwentyFivePlacementAgentWarrantsMember to label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember_1" />
    <link:label xlink:type="resource" xlink:label="label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember_2" xml:lang="en-US" id="label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember_2">July 2025 Placement Agent Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JulyTwoThousandTwentyFivePlacementAgentWarrantsMember" xlink:to="label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember_2" xlink:title="Label : JulyTwoThousandTwentyFivePlacementAgentWarrantsMember to label_JulyTwoThousandTwentyFivePlacementAgentWarrantsMember_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventLineItems" xlink:label="SubsequentEventLineItems" xlink:title="SubsequentEventLineItems" />
    <link:label xlink:type="resource" xlink:label="label_SubsequentEventLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SubsequentEventLineItems" xml:lang="en-US" id="label_SubsequentEventLineItems">Subsequent Event [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventLineItems" xlink:to="label_SubsequentEventLineItems" xlink:title="Label : SubsequentEventLineItems to label_SubsequentEventLineItems" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable" xlink:label="ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable" xlink:title="ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable" xml:lang="en-US" id="label_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable">Class of Warrant or Right, Date from which Warrants or Rights Exercisable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable" xlink:to="label_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable" xlink:title="Label : ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable to label_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable" xlink:to="label_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable_1" xlink:title="Label : ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable to label_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WarrantsAndRightsOutstandingMaturityDate" xlink:label="WarrantsAndRightsOutstandingMaturityDate" xlink:title="WarrantsAndRightsOutstandingMaturityDate" />
    <link:label xlink:type="resource" xlink:label="label_WarrantsAndRightsOutstandingMaturityDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_WarrantsAndRightsOutstandingMaturityDate" xml:lang="en-US" id="label_WarrantsAndRightsOutstandingMaturityDate">Warrants and Rights Outstanding, Maturity Date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsAndRightsOutstandingMaturityDate" xlink:to="label_WarrantsAndRightsOutstandingMaturityDate" xlink:title="Label : WarrantsAndRightsOutstandingMaturityDate to label_WarrantsAndRightsOutstandingMaturityDate" />
    <link:label xlink:type="resource" xlink:label="label_WarrantsAndRightsOutstandingMaturityDate_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_WarrantsAndRightsOutstandingMaturityDate_1" xml:lang="en-US" id="label_WarrantsAndRightsOutstandingMaturityDate_1">Date of warrants exercisable expiry</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsAndRightsOutstandingMaturityDate" xlink:to="label_WarrantsAndRightsOutstandingMaturityDate_1" xlink:title="Label : WarrantsAndRightsOutstandingMaturityDate to label_WarrantsAndRightsOutstandingMaturityDate_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WarrantsAndRightsOutstandingTerm" xlink:label="WarrantsAndRightsOutstandingTerm" xlink:title="WarrantsAndRightsOutstandingTerm" />
    <link:label xlink:type="resource" xlink:label="label_WarrantsAndRightsOutstandingTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_WarrantsAndRightsOutstandingTerm" xml:lang="en-US" id="label_WarrantsAndRightsOutstandingTerm">Representative warrants exercisable term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsAndRightsOutstandingTerm" xlink:to="label_WarrantsAndRightsOutstandingTerm" xlink:title="Label : WarrantsAndRightsOutstandingTerm to label_WarrantsAndRightsOutstandingTerm" />
    <link:label xlink:type="resource" xlink:label="label_WarrantsAndRightsOutstandingTerm_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_WarrantsAndRightsOutstandingTerm_1" xml:lang="en-US" id="label_WarrantsAndRightsOutstandingTerm_1">Warrants and Rights Outstanding, Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsAndRightsOutstandingTerm" xlink:to="label_WarrantsAndRightsOutstandingTerm_1" xlink:title="Label : WarrantsAndRightsOutstandingTerm to label_WarrantsAndRightsOutstandingTerm_1" />
    <link:label xlink:type="resource" xlink:label="label_WarrantsAndRightsOutstandingTerm_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_WarrantsAndRightsOutstandingTerm_2" xml:lang="en-US" id="label_WarrantsAndRightsOutstandingTerm_2">Warrants exercisable expiry term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsAndRightsOutstandingTerm" xlink:to="label_WarrantsAndRightsOutstandingTerm_2" xlink:title="Label : WarrantsAndRightsOutstandingTerm to label_WarrantsAndRightsOutstandingTerm_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_July2025OfferingMember" xlink:label="July2025OfferingMember" xlink:title="July2025OfferingMember" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="July2025OfferingMember" xlink:to="label_July2025OfferingMember" xlink:title="Label : July2025OfferingMember to label_July2025OfferingMember" />
    <link:label xlink:type="resource" xlink:label="label_July2025OfferingMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_July2025OfferingMember_1" xml:lang="en-US" id="label_July2025OfferingMember_1">July 2025 Offering [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="July2025OfferingMember" xlink:to="label_July2025OfferingMember_1" xlink:title="Label : July2025OfferingMember to label_July2025OfferingMember_1" />
    <link:label xlink:type="resource" xlink:label="label_July2025OfferingMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_July2025OfferingMember_2" xml:lang="en-US" id="label_July2025OfferingMember_2">This member stands for the information pertaining to "July 2025 Offering".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="July2025OfferingMember" xlink:to="label_July2025OfferingMember_2" xlink:title="Label : July2025OfferingMember to label_July2025OfferingMember_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="EarningsPerSharePolicyTextBlock" xlink:title="EarningsPerSharePolicyTextBlock" />
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    <link:label xlink:type="resource" xlink:label="label_EarningsPerSharePolicyTextBlock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EarningsPerSharePolicyTextBlock_1" xml:lang="en-US" id="label_EarningsPerSharePolicyTextBlock_1">Earnings Per Share, Policy [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerSharePolicyTextBlock" xlink:to="label_EarningsPerSharePolicyTextBlock_1" xlink:title="Label : EarningsPerSharePolicyTextBlock to label_EarningsPerSharePolicyTextBlock_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues" xlink:label="Revenues" xlink:title="Revenues" />
    <link:label xlink:type="resource" xlink:label="label_Revenues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_Revenues" xml:lang="en-US" id="label_Revenues">Product Revenues &#x2013; net of Discounts and Rebates</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Revenues" xlink:to="label_Revenues" xlink:title="Label : Revenues to label_Revenues" />
    <link:label xlink:type="resource" xlink:label="label_Revenues_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_Revenues_1" xml:lang="en-US" id="label_Revenues_1">Revenues</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Revenues" xlink:to="label_Revenues_1" xlink:title="Label : Revenues to label_Revenues_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="StockholdersEquityAbstract" xlink:title="StockholdersEquityAbstract" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityAbstract" xlink:to="label_StockholdersEquityAbstract" xlink:title="Label : StockholdersEquityAbstract to label_StockholdersEquityAbstract" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityAbstract_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockholdersEquityAbstract_1" xml:lang="en-US" id="label_StockholdersEquityAbstract_1">Equity, Attributable to Parent [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityAbstract" xlink:to="label_StockholdersEquityAbstract_1" xlink:title="Label : StockholdersEquityAbstract to label_StockholdersEquityAbstract_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="Label : StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_1" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_1" xml:lang="en-US" id="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_1">Balance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_1" xlink:title="Label : StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_1" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2" xml:lang="en-US" id="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2">Balance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2" xlink:title="Label : StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2" />
    <link:label xlink:type="resource" xlink:label="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3" xml:lang="en-US" id="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3">Equity, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3" xlink:title="Label : StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to label_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3" />
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    <link:label xlink:type="resource" xlink:label="label_InventoryWriteDown" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_InventoryWriteDown" xml:lang="en-US" id="label_InventoryWriteDown">Inventory Write-down</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsAbstract" xlink:label="AssetsAbstract" xlink:title="AssetsAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AssetsAbstract" xml:lang="en-US" id="label_AssetsAbstract">Assets [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAbstract" xlink:to="label_AssetsAbstract" xlink:title="Label : AssetsAbstract to label_AssetsAbstract" />
    <link:label xlink:type="resource" xlink:label="label_AssetsAbstract_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AssetsAbstract_1" xml:lang="en-US" id="label_AssetsAbstract_1">ASSETS:</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#ecd_InsiderTradingArrLineItems" xlink:label="InsiderTradingArrLineItems" xlink:title="InsiderTradingArrLineItems" />
    <link:label xlink:type="resource" xlink:label="label_InsiderTradingArrLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_InsiderTradingArrLineItems" xml:lang="en-US" id="label_InsiderTradingArrLineItems">Insider Trading Arrangements [Line Items]</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#ecd_Rule10b51ArrAdoptedFlag" xlink:label="Rule10b51ArrAdoptedFlag" xlink:title="Rule10b51ArrAdoptedFlag" />
    <link:label xlink:type="resource" xlink:label="label_Rule10b51ArrAdoptedFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_Rule10b51ArrAdoptedFlag" xml:lang="en-US" id="label_Rule10b51ArrAdoptedFlag">Rule 10b5-1 Arrangement Adopted [Flag]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Rule10b51ArrAdoptedFlag" xlink:to="label_Rule10b51ArrAdoptedFlag" xlink:title="Label : Rule10b51ArrAdoptedFlag to label_Rule10b51ArrAdoptedFlag" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#ecd_NonRule10b51ArrAdoptedFlag" xlink:label="NonRule10b51ArrAdoptedFlag" xlink:title="NonRule10b51ArrAdoptedFlag" />
    <link:label xlink:type="resource" xlink:label="label_NonRule10b51ArrAdoptedFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NonRule10b51ArrAdoptedFlag" xml:lang="en-US" id="label_NonRule10b51ArrAdoptedFlag">Non-Rule 10b5-1 Arrangement Adopted [Flag]</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#ecd_Rule10b51ArrTrmntdFlag" xlink:label="Rule10b51ArrTrmntdFlag" xlink:title="Rule10b51ArrTrmntdFlag" />
    <link:label xlink:type="resource" xlink:label="label_Rule10b51ArrTrmntdFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_Rule10b51ArrTrmntdFlag" xml:lang="en-US" id="label_Rule10b51ArrTrmntdFlag">Rule 10b5-1 Arrangement Terminated [Flag]</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd#ecd_NonRule10b51ArrTrmntdFlag" xlink:label="NonRule10b51ArrTrmntdFlag" xlink:title="NonRule10b51ArrTrmntdFlag" />
    <link:label xlink:type="resource" xlink:label="label_NonRule10b51ArrTrmntdFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NonRule10b51ArrTrmntdFlag" xml:lang="en-US" id="label_NonRule10b51ArrTrmntdFlag">Non-Rule 10b5-1 Arrangement Terminated [Flag]</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:title="OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" />
    <link:label xlink:type="resource" xlink:label="label_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xml:lang="en-US" id="label_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract">NATURE OF OPERATIONS</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="PropertyPlantAndEquipmentAbstract" xlink:title="PropertyPlantAndEquipmentAbstract" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="DebtDisclosureAbstract" xlink:title="DebtDisclosureAbstract" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations" xlink:label="FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations" xlink:title="FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations" />
    <link:label xlink:type="resource" xlink:label="label_FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations" xml:lang="en-US" id="label_FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations">Federal, District of Columbia Income Tax Provision or Benefit</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations" xlink:to="label_FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations" xlink:title="Label : FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations to label_FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations" />
    <link:label xlink:type="resource" xlink:label="label_FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations_1" xml:lang="en-US" id="label_FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations_1">Federal, State, and Local, Income Tax Expense (Benefit), Continuing Operations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations" xlink:to="label_FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations_1" xlink:title="Label : FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations to label_FederalStateAndLocalIncomeTaxExpenseBenefitContinuingOperations_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="IncomeTaxExpenseBenefit" xlink:title="IncomeTaxExpenseBenefit" />
    <link:label xlink:type="resource" xlink:label="label_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_IncomeTaxExpenseBenefit" xml:lang="en-US" id="label_IncomeTaxExpenseBenefit">Provision for Income Taxes (Note 9)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxExpenseBenefit" xlink:to="label_IncomeTaxExpenseBenefit" xlink:title="Label : IncomeTaxExpenseBenefit to label_IncomeTaxExpenseBenefit" />
    <link:label xlink:type="resource" xlink:label="label_IncomeTaxExpenseBenefit_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IncomeTaxExpenseBenefit_1" xml:lang="en-US" id="label_IncomeTaxExpenseBenefit_1">Income Tax Expense (Benefit)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxExpenseBenefit" xlink:to="label_IncomeTaxExpenseBenefit_1" xlink:title="Label : IncomeTaxExpenseBenefit to label_IncomeTaxExpenseBenefit_1" />
    <link:label xlink:type="resource" xlink:label="label_IncomeTaxExpenseBenefit_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_IncomeTaxExpenseBenefit_2" xml:lang="en-US" id="label_IncomeTaxExpenseBenefit_2">Provision for income taxes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxExpenseBenefit" xlink:to="label_IncomeTaxExpenseBenefit_2" xlink:title="Label : IncomeTaxExpenseBenefit to label_IncomeTaxExpenseBenefit_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodSharesOther" xlink:label="StockIssuedDuringPeriodSharesOther" xlink:title="StockIssuedDuringPeriodSharesOther" />
    <link:label xlink:type="resource" xlink:label="label_StockIssuedDuringPeriodSharesOther" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_StockIssuedDuringPeriodSharesOther" xml:lang="en-US" id="label_StockIssuedDuringPeriodSharesOther">Purchase of common stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesOther" xlink:to="label_StockIssuedDuringPeriodSharesOther" xlink:title="Label : StockIssuedDuringPeriodSharesOther to label_StockIssuedDuringPeriodSharesOther" />
    <link:label xlink:type="resource" xlink:label="label_StockIssuedDuringPeriodSharesOther_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockIssuedDuringPeriodSharesOther_1" xml:lang="en-US" id="label_StockIssuedDuringPeriodSharesOther_1">Stock Issued During Period, Shares, Other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesOther" xlink:to="label_StockIssuedDuringPeriodSharesOther_1" xlink:title="Label : StockIssuedDuringPeriodSharesOther to label_StockIssuedDuringPeriodSharesOther_1" />
    <link:label xlink:type="resource" xlink:label="label_StockIssuedDuringPeriodSharesOther_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_StockIssuedDuringPeriodSharesOther_2" xml:lang="en-US" id="label_StockIssuedDuringPeriodSharesOther_2">Voluntary conversion of Series A Preferred Stock into common stock (in Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesOther" xlink:to="label_StockIssuedDuringPeriodSharesOther_2" xlink:title="Label : StockIssuedDuringPeriodSharesOther to label_StockIssuedDuringPeriodSharesOther_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromWarrantExercises" xlink:label="ProceedsFromWarrantExercises" xlink:title="ProceedsFromWarrantExercises" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromWarrantExercises" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ProceedsFromWarrantExercises" xml:lang="en-US" id="label_ProceedsFromWarrantExercises">Proceeds from Warrant Exercises</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromWarrantExercises" xlink:to="label_ProceedsFromWarrantExercises" xlink:title="Label : ProceedsFromWarrantExercises to label_ProceedsFromWarrantExercises" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares" xlink:label="StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares" xlink:title="StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares" />
    <link:label xlink:type="resource" xlink:label="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares" xml:lang="en-US" id="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares">Issuance of shares for annual performance bonuses, net of shares withheld for taxes (in Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares" xlink:to="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares" xlink:title="Label : StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares to label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares" />
    <link:label xlink:type="resource" xlink:label="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_1" xml:lang="en-US" id="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_1">Issuance of shares for annual performance bonuses, net of shares withheld for taxes (in Shares).</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares" xlink:to="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_1" xlink:title="Label : StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares to label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_1" />
    <link:label xlink:type="resource" xlink:label="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_2" xml:lang="en-US" id="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_2">Stock Issued During Period Issuance Of Shares For Annual Performance Bonuses Net Of Shares Withheld For Taxesin Shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares" xlink:to="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_2" xlink:title="Label : StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares to label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_2" />
    <link:label xlink:type="resource" xlink:label="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_3" xml:lang="en-US" id="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_3">Shares of common stock to the executives in settlement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares" xlink:to="label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_3" xlink:title="Label : StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares to label_StockIssuedDuringPeriodIssuanceOfSharesForAnnualPerformanceBonusesNetOfSharesWithheldForTaxesinShares_3" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ATMOfferingNetOfOfferingCostsPaid" xlink:label="ATMOfferingNetOfOfferingCostsPaid" xlink:title="ATMOfferingNetOfOfferingCostsPaid" />
    <link:label xlink:type="resource" xlink:label="label_ATMOfferingNetOfOfferingCostsPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ATMOfferingNetOfOfferingCostsPaid" xml:lang="en-US" id="label_ATMOfferingNetOfOfferingCostsPaid">ATM Offering Net of Offering Costs Paid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ATMOfferingNetOfOfferingCostsPaid" xlink:to="label_ATMOfferingNetOfOfferingCostsPaid" xlink:title="Label : ATMOfferingNetOfOfferingCostsPaid to label_ATMOfferingNetOfOfferingCostsPaid" />
    <link:label xlink:type="resource" xlink:label="label_ATMOfferingNetOfOfferingCostsPaid_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ATMOfferingNetOfOfferingCostsPaid_1" xml:lang="en-US" id="label_ATMOfferingNetOfOfferingCostsPaid_1">ATM Offering, net of offering costs paid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ATMOfferingNetOfOfferingCostsPaid" xlink:to="label_ATMOfferingNetOfOfferingCostsPaid_1" xlink:title="Label : ATMOfferingNetOfOfferingCostsPaid to label_ATMOfferingNetOfOfferingCostsPaid_1" />
    <link:label xlink:type="resource" xlink:label="label_ATMOfferingNetOfOfferingCostsPaid_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ATMOfferingNetOfOfferingCostsPaid_2" xml:lang="en-US" id="label_ATMOfferingNetOfOfferingCostsPaid_2">ATM Offering, net of offering costs paid.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ATMOfferingNetOfOfferingCostsPaid" xlink:to="label_ATMOfferingNetOfOfferingCostsPaid_2" xlink:title="Label : ATMOfferingNetOfOfferingCostsPaid to label_ATMOfferingNetOfOfferingCostsPaid_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryGross" xlink:label="InventoryGross" xlink:title="InventoryGross" />
    <link:label xlink:type="resource" xlink:label="label_InventoryGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_InventoryGross" xml:lang="en-US" id="label_InventoryGross">Inventory, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryGross" xlink:to="label_InventoryGross" xlink:title="Label : InventoryGross to label_InventoryGross" />
    <link:label xlink:type="resource" xlink:label="label_InventoryGross_1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_InventoryGross_1" xml:lang="en-US" id="label_InventoryGross_1">Total Inventory</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryGross" xlink:to="label_InventoryGross_1" xlink:title="Label : InventoryGross to label_InventoryGross_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryAdjustments" xlink:label="InventoryAdjustments" xlink:title="InventoryAdjustments" />
    <link:label xlink:type="resource" xlink:label="label_InventoryAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_InventoryAdjustments" xml:lang="en-US" id="label_InventoryAdjustments">Inventory Adjustments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryAdjustments" xlink:to="label_InventoryAdjustments" xlink:title="Label : InventoryAdjustments to label_InventoryAdjustments" />
    <link:label xlink:type="resource" xlink:label="label_InventoryAdjustments_1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_InventoryAdjustments_1" xml:lang="en-US" id="label_InventoryAdjustments_1">Reserve for Expiring Inventory</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryAdjustments" xlink:to="label_InventoryAdjustments_1" xlink:title="Label : InventoryAdjustments to label_InventoryAdjustments_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SeriesAWarrantsMember" xlink:label="SeriesAWarrantsMember" xlink:title="SeriesAWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_SeriesAWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SeriesAWarrantsMember" xml:lang="en-US" id="label_SeriesAWarrantsMember">Series A Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesAWarrantsMember" xlink:to="label_SeriesAWarrantsMember" xlink:title="Label : SeriesAWarrantsMember to label_SeriesAWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_SeriesAWarrantsMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SeriesAWarrantsMember_1" xml:lang="en-US" id="label_SeriesAWarrantsMember_1">Series A Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesAWarrantsMember" xlink:to="label_SeriesAWarrantsMember_1" xlink:title="Label : SeriesAWarrantsMember to label_SeriesAWarrantsMember_1" />
    <link:label xlink:type="resource" xlink:label="label_SeriesAWarrantsMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SeriesAWarrantsMember_2" xml:lang="en-US" id="label_SeriesAWarrantsMember_2">This member stands for the information pertaining to "Series A Warrants".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesAWarrantsMember" xlink:to="label_SeriesAWarrantsMember_2" xlink:title="Label : SeriesAWarrantsMember to label_SeriesAWarrantsMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SeriesBWarrantsMember" xlink:label="SeriesBWarrantsMember" xlink:title="SeriesBWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_SeriesBWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SeriesBWarrantsMember" xml:lang="en-US" id="label_SeriesBWarrantsMember">Series B Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesBWarrantsMember" xlink:to="label_SeriesBWarrantsMember" xlink:title="Label : SeriesBWarrantsMember to label_SeriesBWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_SeriesBWarrantsMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SeriesBWarrantsMember_1" xml:lang="en-US" id="label_SeriesBWarrantsMember_1">Series B Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesBWarrantsMember" xlink:to="label_SeriesBWarrantsMember_1" xlink:title="Label : SeriesBWarrantsMember to label_SeriesBWarrantsMember_1" />
    <link:label xlink:type="resource" xlink:label="label_SeriesBWarrantsMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SeriesBWarrantsMember_2" xml:lang="en-US" id="label_SeriesBWarrantsMember_2">This member stands for the information pertaining to "Series B Warrants".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesBWarrantsMember" xlink:to="label_SeriesBWarrantsMember_2" xlink:title="Label : SeriesBWarrantsMember to label_SeriesBWarrantsMember_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion" xlink:label="ConvertiblePreferredStockSharesIssuedUponConversion" xlink:title="ConvertiblePreferredStockSharesIssuedUponConversion" />
    <link:label xlink:type="resource" xlink:label="label_ConvertiblePreferredStockSharesIssuedUponConversion" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ConvertiblePreferredStockSharesIssuedUponConversion" xml:lang="en-US" id="label_ConvertiblePreferredStockSharesIssuedUponConversion">Convertible Preferred Stock, Shares Issued upon Conversion</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConvertiblePreferredStockSharesIssuedUponConversion" xlink:to="label_ConvertiblePreferredStockSharesIssuedUponConversion" xlink:title="Label : ConvertiblePreferredStockSharesIssuedUponConversion to label_ConvertiblePreferredStockSharesIssuedUponConversion" />
    <link:label xlink:type="resource" xlink:label="label_ConvertiblePreferredStockSharesIssuedUponConversion_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ConvertiblePreferredStockSharesIssuedUponConversion_1" xml:lang="en-US" id="label_ConvertiblePreferredStockSharesIssuedUponConversion_1">Converted shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConvertiblePreferredStockSharesIssuedUponConversion" xlink:to="label_ConvertiblePreferredStockSharesIssuedUponConversion_1" xlink:title="Label : ConvertiblePreferredStockSharesIssuedUponConversion to label_ConvertiblePreferredStockSharesIssuedUponConversion_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConversionOfStockSharesConverted1" xlink:label="ConversionOfStockSharesConverted1" xlink:title="ConversionOfStockSharesConverted1" />
    <link:label xlink:type="resource" xlink:label="label_ConversionOfStockSharesConverted1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ConversionOfStockSharesConverted1" xml:lang="en-US" id="label_ConversionOfStockSharesConverted1">Conversion of Stock, Shares Converted (in Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConversionOfStockSharesConverted1" xlink:to="label_ConversionOfStockSharesConverted1" xlink:title="Label : ConversionOfStockSharesConverted1 to label_ConversionOfStockSharesConverted1" />
    <link:label xlink:type="resource" xlink:label="label_ConversionOfStockSharesConverted1_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ConversionOfStockSharesConverted1_1" xml:lang="en-US" id="label_ConversionOfStockSharesConverted1_1">Conversion of Stock, Shares Converted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConversionOfStockSharesConverted1" xlink:to="label_ConversionOfStockSharesConverted1_1" xlink:title="Label : ConversionOfStockSharesConverted1 to label_ConversionOfStockSharesConverted1_1" />
    <link:label xlink:type="resource" xlink:label="label_ConversionOfStockSharesConverted1_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_ConversionOfStockSharesConverted1_2" xml:lang="en-US" id="label_ConversionOfStockSharesConverted1_2">Shares converted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConversionOfStockSharesConverted1" xlink:to="label_ConversionOfStockSharesConverted1_2" xlink:title="Label : ConversionOfStockSharesConverted1 to label_ConversionOfStockSharesConverted1_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WarrantExercisePriceDecrease" xlink:label="WarrantExercisePriceDecrease" xlink:title="WarrantExercisePriceDecrease" />
    <link:label xlink:type="resource" xlink:label="label_WarrantExercisePriceDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_WarrantExercisePriceDecrease" xml:lang="en-US" id="label_WarrantExercisePriceDecrease">Warrant, Exercise Price, Decrease</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantExercisePriceDecrease" xlink:to="label_WarrantExercisePriceDecrease" xlink:title="Label : WarrantExercisePriceDecrease to label_WarrantExercisePriceDecrease" />
    <link:label xlink:type="resource" xlink:label="label_WarrantExercisePriceDecrease_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_WarrantExercisePriceDecrease_1" xml:lang="en-US" id="label_WarrantExercisePriceDecrease_1">Exercise price (in Dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantExercisePriceDecrease" xlink:to="label_WarrantExercisePriceDecrease_1" xlink:title="Label : WarrantExercisePriceDecrease to label_WarrantExercisePriceDecrease_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WarrantsAndRightsOutstanding" xlink:label="WarrantsAndRightsOutstanding" xlink:title="WarrantsAndRightsOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_WarrantsAndRightsOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_WarrantsAndRightsOutstanding" xml:lang="en-US" id="label_WarrantsAndRightsOutstanding">Warrants and Rights Outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsAndRightsOutstanding" xlink:to="label_WarrantsAndRightsOutstanding" xlink:title="Label : WarrantsAndRightsOutstanding to label_WarrantsAndRightsOutstanding" />
    <link:label xlink:type="resource" xlink:label="label_WarrantsAndRightsOutstanding_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_WarrantsAndRightsOutstanding_1" xml:lang="en-US" id="label_WarrantsAndRightsOutstanding_1">Warrants and rights outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsAndRightsOutstanding" xlink:to="label_WarrantsAndRightsOutstanding_1" xlink:title="Label : WarrantsAndRightsOutstanding to label_WarrantsAndRightsOutstanding_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockConvertibleSharesIssuable" xlink:label="PreferredStockConvertibleSharesIssuable" xlink:title="PreferredStockConvertibleSharesIssuable" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockConvertibleSharesIssuable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PreferredStockConvertibleSharesIssuable" xml:lang="en-US" id="label_PreferredStockConvertibleSharesIssuable">Preferred Stock, Convertible, Shares Issuable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockConvertibleSharesIssuable" xlink:to="label_PreferredStockConvertibleSharesIssuable" xlink:title="Label : PreferredStockConvertibleSharesIssuable to label_PreferredStockConvertibleSharesIssuable" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockConvertibleSharesIssuable_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PreferredStockConvertibleSharesIssuable_1" xml:lang="en-US" id="label_PreferredStockConvertibleSharesIssuable_1">Preferred stock, convertible, shares issuable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockConvertibleSharesIssuable" xlink:to="label_PreferredStockConvertibleSharesIssuable_1" xlink:title="Label : PreferredStockConvertibleSharesIssuable to label_PreferredStockConvertibleSharesIssuable_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConvertibleCommonStockMember" xlink:label="ConvertibleCommonStockMember" xlink:title="ConvertibleCommonStockMember" />
    <link:label xlink:type="resource" xlink:label="label_ConvertibleCommonStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ConvertibleCommonStockMember" xml:lang="en-US" id="label_ConvertibleCommonStockMember">Convertible Common Stock [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConvertibleCommonStockMember" xlink:to="label_ConvertibleCommonStockMember" xlink:title="Label : ConvertibleCommonStockMember to label_ConvertibleCommonStockMember" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_HCWainwrightAndCoLLCMember" xlink:label="HCWainwrightAndCoLLCMember" xlink:title="HCWainwrightAndCoLLCMember" />
    <link:label xlink:type="resource" xlink:label="label_HCWainwrightAndCoLLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_HCWainwrightAndCoLLCMember" xml:lang="en-US" id="label_HCWainwrightAndCoLLCMember">H C Wainwright And Co LLC [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HCWainwrightAndCoLLCMember" xlink:to="label_HCWainwrightAndCoLLCMember" xlink:title="Label : HCWainwrightAndCoLLCMember to label_HCWainwrightAndCoLLCMember" />
    <link:label xlink:type="resource" xlink:label="label_HCWainwrightAndCoLLCMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_HCWainwrightAndCoLLCMember_1" xml:lang="en-US" id="label_HCWainwrightAndCoLLCMember_1">H.C. Wainwright &amp; Co., LLC [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HCWainwrightAndCoLLCMember" xlink:to="label_HCWainwrightAndCoLLCMember_1" xlink:title="Label : HCWainwrightAndCoLLCMember to label_HCWainwrightAndCoLLCMember_1" />
    <link:label xlink:type="resource" xlink:label="label_HCWainwrightAndCoLLCMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_HCWainwrightAndCoLLCMember_2" xml:lang="en-US" id="label_HCWainwrightAndCoLLCMember_2">This member stands for the information pertaining to "H.C. Wainwright &amp; Co., LLC ".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HCWainwrightAndCoLLCMember" xlink:to="label_HCWainwrightAndCoLLCMember_2" xlink:title="Label : HCWainwrightAndCoLLCMember to label_HCWainwrightAndCoLLCMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SeptemberTwoThousandTwentyFourAgentWarrantsMember" xlink:label="SeptemberTwoThousandTwentyFourAgentWarrantsMember" xlink:title="SeptemberTwoThousandTwentyFourAgentWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_SeptemberTwoThousandTwentyFourAgentWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SeptemberTwoThousandTwentyFourAgentWarrantsMember" xml:lang="en-US" id="label_SeptemberTwoThousandTwentyFourAgentWarrantsMember">September Two Thousand Twenty Four Agent Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeptemberTwoThousandTwentyFourAgentWarrantsMember" xlink:to="label_SeptemberTwoThousandTwentyFourAgentWarrantsMember" xlink:title="Label : SeptemberTwoThousandTwentyFourAgentWarrantsMember to label_SeptemberTwoThousandTwentyFourAgentWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_SeptemberTwoThousandTwentyFourAgentWarrantsMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SeptemberTwoThousandTwentyFourAgentWarrantsMember_1" xml:lang="en-US" id="label_SeptemberTwoThousandTwentyFourAgentWarrantsMember_1">September 2024 Agent Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeptemberTwoThousandTwentyFourAgentWarrantsMember" xlink:to="label_SeptemberTwoThousandTwentyFourAgentWarrantsMember_1" xlink:title="Label : SeptemberTwoThousandTwentyFourAgentWarrantsMember to label_SeptemberTwoThousandTwentyFourAgentWarrantsMember_1" />
    <link:label xlink:type="resource" xlink:label="label_SeptemberTwoThousandTwentyFourAgentWarrantsMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SeptemberTwoThousandTwentyFourAgentWarrantsMember_2" xml:lang="en-US" id="label_SeptemberTwoThousandTwentyFourAgentWarrantsMember_2">This member stands for the information pertaining to "September 2024 Agent Warrants".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeptemberTwoThousandTwentyFourAgentWarrantsMember" xlink:to="label_SeptemberTwoThousandTwentyFourAgentWarrantsMember_2" xlink:title="Label : SeptemberTwoThousandTwentyFourAgentWarrantsMember to label_SeptemberTwoThousandTwentyFourAgentWarrantsMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SeriesAAndSeriesBWarrantsMember" xlink:label="SeriesAAndSeriesBWarrantsMember" xlink:title="SeriesAAndSeriesBWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_SeriesAAndSeriesBWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SeriesAAndSeriesBWarrantsMember" xml:lang="en-US" id="label_SeriesAAndSeriesBWarrantsMember">Series A And Series B Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesAAndSeriesBWarrantsMember" xlink:to="label_SeriesAAndSeriesBWarrantsMember" xlink:title="Label : SeriesAAndSeriesBWarrantsMember to label_SeriesAAndSeriesBWarrantsMember" />
    <link:label xlink:type="resource" xlink:label="label_SeriesAAndSeriesBWarrantsMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SeriesAAndSeriesBWarrantsMember_1" xml:lang="en-US" id="label_SeriesAAndSeriesBWarrantsMember_1">Series A And Series B Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesAAndSeriesBWarrantsMember" xlink:to="label_SeriesAAndSeriesBWarrantsMember_1" xlink:title="Label : SeriesAAndSeriesBWarrantsMember to label_SeriesAAndSeriesBWarrantsMember_1" />
    <link:label xlink:type="resource" xlink:label="label_SeriesAAndSeriesBWarrantsMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SeriesAAndSeriesBWarrantsMember_2" xml:lang="en-US" id="label_SeriesAAndSeriesBWarrantsMember_2">This member stands for the information pertaining to "Series B And Series B Warrants".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesAAndSeriesBWarrantsMember" xlink:to="label_SeriesAAndSeriesBWarrantsMember_2" xlink:title="Label : SeriesAAndSeriesBWarrantsMember to label_SeriesAAndSeriesBWarrantsMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ATMOfferingShares" xlink:label="ATMOfferingShares" xlink:title="ATMOfferingShares" />
    <link:label xlink:type="resource" xlink:label="label_ATMOfferingShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ATMOfferingShares" xml:lang="en-US" id="label_ATMOfferingShares">ATM Offering Shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ATMOfferingShares" xlink:to="label_ATMOfferingShares" xlink:title="Label : ATMOfferingShares to label_ATMOfferingShares" />
    <link:label xlink:type="resource" xlink:label="label_ATMOfferingShares_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ATMOfferingShares_1" xml:lang="en-US" id="label_ATMOfferingShares_1">ATM Offering</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ATMOfferingShares" xlink:to="label_ATMOfferingShares_1" xlink:title="Label : ATMOfferingShares to label_ATMOfferingShares_1" />
    <link:label xlink:type="resource" xlink:label="label_ATMOfferingShares_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ATMOfferingShares_2" xml:lang="en-US" id="label_ATMOfferingShares_2">ATM Offering.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ATMOfferingShares" xlink:to="label_ATMOfferingShares_2" xlink:title="Label : ATMOfferingShares to label_ATMOfferingShares_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="PropertyPlantAndEquipmentNet" xlink:title="PropertyPlantAndEquipmentNet" />
    <link:label xlink:type="resource" xlink:label="label_PropertyPlantAndEquipmentNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_PropertyPlantAndEquipmentNet" xml:lang="en-US" id="label_PropertyPlantAndEquipmentNet">Property and Equipment, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="label_PropertyPlantAndEquipmentNet" xlink:title="Label : PropertyPlantAndEquipmentNet to label_PropertyPlantAndEquipmentNet" />
    <link:label xlink:type="resource" xlink:label="label_PropertyPlantAndEquipmentNet_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PropertyPlantAndEquipmentNet_1" xml:lang="en-US" id="label_PropertyPlantAndEquipmentNet_1">Property and Equipment, net (Note 4)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="label_PropertyPlantAndEquipmentNet_1" xlink:title="Label : PropertyPlantAndEquipmentNet to label_PropertyPlantAndEquipmentNet_1" />
    <link:label xlink:type="resource" xlink:label="label_PropertyPlantAndEquipmentNet_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PropertyPlantAndEquipmentNet_2" xml:lang="en-US" id="label_PropertyPlantAndEquipmentNet_2">Property, Plant and Equipment, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="label_PropertyPlantAndEquipmentNet_2" xlink:title="Label : PropertyPlantAndEquipmentNet to label_PropertyPlantAndEquipmentNet_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:label="SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:title="SaleOfStockPercentageOfOwnershipAfterTransaction" />
    <link:label xlink:type="resource" xlink:label="label_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SaleOfStockPercentageOfOwnershipAfterTransaction" xml:lang="en-US" id="label_SaleOfStockPercentageOfOwnershipAfterTransaction">Sale of stock, percentage of ownership</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:to="label_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:title="Label : SaleOfStockPercentageOfOwnershipAfterTransaction to label_SaleOfStockPercentageOfOwnershipAfterTransaction" />
    <link:label xlink:type="resource" xlink:label="label_SaleOfStockPercentageOfOwnershipAfterTransaction_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SaleOfStockPercentageOfOwnershipAfterTransaction_1" xml:lang="en-US" id="label_SaleOfStockPercentageOfOwnershipAfterTransaction_1">Sale of Stock, Percentage of Ownership after Transaction</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:to="label_SaleOfStockPercentageOfOwnershipAfterTransaction_1" xlink:title="Label : SaleOfStockPercentageOfOwnershipAfterTransaction to label_SaleOfStockPercentageOfOwnershipAfterTransaction_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_TuftsMedicalCenterAgreementMember" xlink:label="TuftsMedicalCenterAgreementMember" xlink:title="TuftsMedicalCenterAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_TuftsMedicalCenterAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_TuftsMedicalCenterAgreementMember" xml:lang="en-US" id="label_TuftsMedicalCenterAgreementMember">Tufts Medical Center Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TuftsMedicalCenterAgreementMember" xlink:to="label_TuftsMedicalCenterAgreementMember" xlink:title="Label : TuftsMedicalCenterAgreementMember to label_TuftsMedicalCenterAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_TuftsMedicalCenterAgreementMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_TuftsMedicalCenterAgreementMember_1" xml:lang="en-US" id="label_TuftsMedicalCenterAgreementMember_1">Tufts MC Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TuftsMedicalCenterAgreementMember" xlink:to="label_TuftsMedicalCenterAgreementMember_1" xlink:title="Label : TuftsMedicalCenterAgreementMember to label_TuftsMedicalCenterAgreementMember_1" />
    <link:label xlink:type="resource" xlink:label="label_TuftsMedicalCenterAgreementMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_TuftsMedicalCenterAgreementMember_2" xml:lang="en-US" id="label_TuftsMedicalCenterAgreementMember_2">This member stands for the information pertaining to "Tufts MC Agreement".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TuftsMedicalCenterAgreementMember" xlink:to="label_TuftsMedicalCenterAgreementMember_2" xlink:title="Label : TuftsMedicalCenterAgreementMember to label_TuftsMedicalCenterAgreementMember_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_DirectorMember" xlink:label="DirectorMember" xlink:title="DirectorMember" />
    <link:label xlink:type="resource" xlink:label="label_DirectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DirectorMember" xml:lang="en-US" id="label_DirectorMember">Director [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DirectorMember" xlink:to="label_DirectorMember" xlink:title="Label : DirectorMember to label_DirectorMember" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward">Share-Based Compensation Arrangement by Share-Based Payment Award, Terms of Award</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward_1">Stock option granted term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward_1" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward_2" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward_2">Equity-based compensation awards term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward_2" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingencyPendingClaimsNumber" xlink:label="LossContingencyPendingClaimsNumber" xlink:title="LossContingencyPendingClaimsNumber" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyPendingClaimsNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LossContingencyPendingClaimsNumber" xml:lang="en-US" id="label_LossContingencyPendingClaimsNumber">Loss Contingency, Pending Claims, Number</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyPendingClaimsNumber" xlink:to="label_LossContingencyPendingClaimsNumber" xlink:title="Label : LossContingencyPendingClaimsNumber to label_LossContingencyPendingClaimsNumber" />
    <link:label xlink:type="resource" xlink:label="label_LossContingencyPendingClaimsNumber_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LossContingencyPendingClaimsNumber_1" xml:lang="en-US" id="label_LossContingencyPendingClaimsNumber_1">Number of pending or threatened lawsuits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyPendingClaimsNumber" xlink:to="label_LossContingencyPendingClaimsNumber_1" xlink:title="Label : LossContingencyPendingClaimsNumber to label_LossContingencyPendingClaimsNumber_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum" xlink:label="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum" xlink:title="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum" />
    <link:label xlink:type="resource" xlink:label="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum" xml:lang="en-US" id="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum">Share-based Compensation Arrangement By Share-based Payment Award Fair Value Assumptions Expected Term 1 Minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum" xlink:to="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum" xlink:title="Label : SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum to label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum" />
    <link:label xlink:type="resource" xlink:label="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum_1" xml:lang="en-US" id="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum_1">Expected term, minimum (years)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum" xlink:to="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum_1" xlink:title="Label : SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum to label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum_1" />
    <link:label xlink:type="resource" xlink:label="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum_2" xml:lang="en-US" id="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum_2">Expected minimum term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum" xlink:to="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum_2" xlink:title="Label : SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum to label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Minimum_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum" xlink:label="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum" xlink:title="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum" />
    <link:label xlink:type="resource" xlink:label="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum" xml:lang="en-US" id="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum">Share-based Compensation Arrangement By Share-based Payment Award Fair Value Assumptions Expected Term 1 Maximum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum" xlink:to="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum" xlink:title="Label : SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum to label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum" />
    <link:label xlink:type="resource" xlink:label="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum_1" xml:lang="en-US" id="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum_1">Expected term, maximum (years)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum" xlink:to="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum_1" xlink:title="Label : SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum to label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum_1" />
    <link:label xlink:type="resource" xlink:label="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum_2" xml:lang="en-US" id="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum_2">Expected maximum term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum" xlink:to="label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum_2" xlink:title="Label : SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum to label_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1Maximum_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_1">Risk-free interest rate, minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_1">Risk-free interest rate, maximum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_1">Expected volatility, minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_1">Expected volatility, maximum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_AtTheMarket2025AgreementMember" xlink:label="AtTheMarket2025AgreementMember" xlink:title="AtTheMarket2025AgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_AtTheMarket2025AgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AtTheMarket2025AgreementMember" xml:lang="en-US" id="label_AtTheMarket2025AgreementMember">2025 ATM Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AtTheMarket2025AgreementMember" xlink:to="label_AtTheMarket2025AgreementMember" xlink:title="Label : AtTheMarket2025AgreementMember to label_AtTheMarket2025AgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_AtTheMarket2025AgreementMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AtTheMarket2025AgreementMember_1" xml:lang="en-US" id="label_AtTheMarket2025AgreementMember_1">At-the-Market 2025 Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AtTheMarket2025AgreementMember" xlink:to="label_AtTheMarket2025AgreementMember_1" xlink:title="Label : AtTheMarket2025AgreementMember to label_AtTheMarket2025AgreementMember_1" />
    <link:label xlink:type="resource" xlink:label="label_AtTheMarket2025AgreementMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_AtTheMarket2025AgreementMember_2" xml:lang="en-US" id="label_AtTheMarket2025AgreementMember_2">This member stands for the information pertaining to "2025 ATM Agreement".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AtTheMarket2025AgreementMember" xlink:to="label_AtTheMarket2025AgreementMember_2" xlink:title="Label : AtTheMarket2025AgreementMember to label_AtTheMarket2025AgreementMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_SalesAgentCommissionPercentage" xlink:label="SalesAgentCommissionPercentage" xlink:title="SalesAgentCommissionPercentage" />
    <link:label xlink:type="resource" xlink:label="label_SalesAgentCommissionPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SalesAgentCommissionPercentage" xml:lang="en-US" id="label_SalesAgentCommissionPercentage">Sales agent commission percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SalesAgentCommissionPercentage" xlink:to="label_SalesAgentCommissionPercentage" xlink:title="Label : SalesAgentCommissionPercentage to label_SalesAgentCommissionPercentage" />
    <link:label xlink:type="resource" xlink:label="label_SalesAgentCommissionPercentage_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SalesAgentCommissionPercentage_1" xml:lang="en-US" id="label_SalesAgentCommissionPercentage_1">Sales Agent Commission Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SalesAgentCommissionPercentage" xlink:to="label_SalesAgentCommissionPercentage_1" xlink:title="Label : SalesAgentCommissionPercentage to label_SalesAgentCommissionPercentage_1" />
    <link:label xlink:type="resource" xlink:label="label_SalesAgentCommissionPercentage_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_SalesAgentCommissionPercentage_2" xml:lang="en-US" id="label_SalesAgentCommissionPercentage_2">Percentage of sales agent commission.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SalesAgentCommissionPercentage" xlink:to="label_SalesAgentCommissionPercentage_2" xlink:title="Label : SalesAgentCommissionPercentage to label_SalesAgentCommissionPercentage_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_NumberOfDirectors" xlink:label="NumberOfDirectors" xlink:title="NumberOfDirectors" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfDirectors" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NumberOfDirectors" xml:lang="en-US" id="label_NumberOfDirectors">Number of Directors</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfDirectors" xlink:to="label_NumberOfDirectors" xlink:title="Label : NumberOfDirectors to label_NumberOfDirectors" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfDirectors_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_NumberOfDirectors_1" xml:lang="en-US" id="label_NumberOfDirectors_1">Number of directors.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfDirectors" xlink:to="label_NumberOfDirectors_1" xlink:title="Label : NumberOfDirectors to label_NumberOfDirectors_1" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfDirectors_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NumberOfDirectors_2" xml:lang="en-US" id="label_NumberOfDirectors_2">Number of directors</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfDirectors" xlink:to="label_NumberOfDirectors_2" xlink:title="Label : NumberOfDirectors to label_NumberOfDirectors_2" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfDirectors_3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_NumberOfDirectors_3" xml:lang="en-US" id="label_NumberOfDirectors_3">Number of director nominees</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfDirectors" xlink:to="label_NumberOfDirectors_3" xlink:title="Label : NumberOfDirectors to label_NumberOfDirectors_3" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xml:lang="en-US" id="label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice">Per share exercise price (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:title="Label : ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice to label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_1">Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_1" xlink:title="Label : ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice to label_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_DirectorOneMember" xlink:label="DirectorOneMember" xlink:title="DirectorOneMember" />
    <link:label xlink:type="resource" xlink:label="label_DirectorOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DirectorOneMember" xml:lang="en-US" id="label_DirectorOneMember">Director One [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DirectorOneMember" xlink:to="label_DirectorOneMember" xlink:title="Label : DirectorOneMember to label_DirectorOneMember" />
    <link:label xlink:type="resource" xlink:label="label_DirectorOneMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_DirectorOneMember_1" xml:lang="en-US" id="label_DirectorOneMember_1">This member stands for the information pertaining to "Director One".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DirectorOneMember" xlink:to="label_DirectorOneMember_1" xlink:title="Label : DirectorOneMember to label_DirectorOneMember_1" />
    <link:label xlink:type="resource" xlink:label="label_DirectorOneMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DirectorOneMember_2" xml:lang="en-US" id="label_DirectorOneMember_2">Director One [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DirectorOneMember" xlink:to="label_DirectorOneMember_2" xlink:title="Label : DirectorOneMember to label_DirectorOneMember_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant">Number of shares available for grant (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_1">Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_1" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_2" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_2">Number of shares available for issuance (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_2" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1" xlink:label="NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1" xlink:title="NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1" />
    <link:label xlink:type="resource" xlink:label="label_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1" xml:lang="en-US" id="label_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1">Noncash or Part Noncash Acquisition, Intangible Assets Acquired</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1" xlink:to="label_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1" xlink:title="Label : NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1 to label_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1" />
    <link:label xlink:type="resource" xlink:label="label_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1_1" xml:lang="en-US" id="label_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1_1">Capitalized Patent Costs included in Accounts Payable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1" xlink:to="label_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1_1" xlink:title="Label : NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1 to label_NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="CommonStockParOrStatedValuePerShare" xlink:title="CommonStockParOrStatedValuePerShare" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CommonStockParOrStatedValuePerShare" xml:lang="en-US" id="label_CommonStockParOrStatedValuePerShare">Common stock, par value (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockParOrStatedValuePerShare" xlink:to="label_CommonStockParOrStatedValuePerShare" xlink:title="Label : CommonStockParOrStatedValuePerShare to label_CommonStockParOrStatedValuePerShare" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockParOrStatedValuePerShare_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_CommonStockParOrStatedValuePerShare_1" xml:lang="en-US" id="label_CommonStockParOrStatedValuePerShare_1">Common stock par value (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockParOrStatedValuePerShare" xlink:to="label_CommonStockParOrStatedValuePerShare_1" xlink:title="Label : CommonStockParOrStatedValuePerShare to label_CommonStockParOrStatedValuePerShare_1" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockParOrStatedValuePerShare_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommonStockParOrStatedValuePerShare_2" xml:lang="en-US" id="label_CommonStockParOrStatedValuePerShare_2">Common Stock, Par or Stated Value Per Share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockParOrStatedValuePerShare" xlink:to="label_CommonStockParOrStatedValuePerShare_2" xlink:title="Label : CommonStockParOrStatedValuePerShare to label_CommonStockParOrStatedValuePerShare_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="PreferredStockParOrStatedValuePerShare" xlink:title="PreferredStockParOrStatedValuePerShare" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_PreferredStockParOrStatedValuePerShare" xml:lang="en-US" id="label_PreferredStockParOrStatedValuePerShare">Preferred stock, par value (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockParOrStatedValuePerShare" xlink:to="label_PreferredStockParOrStatedValuePerShare" xlink:title="Label : PreferredStockParOrStatedValuePerShare to label_PreferredStockParOrStatedValuePerShare" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockParOrStatedValuePerShare_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_PreferredStockParOrStatedValuePerShare_1" xml:lang="en-US" id="label_PreferredStockParOrStatedValuePerShare_1">Preferred stock shares, par value (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockParOrStatedValuePerShare" xlink:to="label_PreferredStockParOrStatedValuePerShare_1" xlink:title="Label : PreferredStockParOrStatedValuePerShare to label_PreferredStockParOrStatedValuePerShare_1" />
    <link:label xlink:type="resource" xlink:label="label_PreferredStockParOrStatedValuePerShare_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PreferredStockParOrStatedValuePerShare_2" xml:lang="en-US" id="label_PreferredStockParOrStatedValuePerShare_2">Preferred Stock, Par or Stated Value Per Share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockParOrStatedValuePerShare" xlink:to="label_PreferredStockParOrStatedValuePerShare_2" xlink:title="Label : PreferredStockParOrStatedValuePerShare to label_PreferredStockParOrStatedValuePerShare_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SaleOfStockPricePerShare" xlink:label="SaleOfStockPricePerShare" xlink:title="SaleOfStockPricePerShare" />
    <link:label xlink:type="resource" xlink:label="label_SaleOfStockPricePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_SaleOfStockPricePerShare" xml:lang="en-US" id="label_SaleOfStockPricePerShare">Sale of stock price per share (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SaleOfStockPricePerShare" xlink:to="label_SaleOfStockPricePerShare" xlink:title="Label : SaleOfStockPricePerShare to label_SaleOfStockPricePerShare" />
    <link:label xlink:type="resource" xlink:label="label_SaleOfStockPricePerShare_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_SaleOfStockPricePerShare_1" xml:lang="en-US" id="label_SaleOfStockPricePerShare_1">Sale of Stock, Price Per Share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SaleOfStockPricePerShare" xlink:to="label_SaleOfStockPricePerShare_1" xlink:title="Label : SaleOfStockPricePerShare to label_SaleOfStockPricePerShare_1" />
    <link:label xlink:type="resource" xlink:label="label_SaleOfStockPricePerShare_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_SaleOfStockPricePerShare_2" xml:lang="en-US" id="label_SaleOfStockPricePerShare_2">Sale of stock price per unit (in dollars per unit)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SaleOfStockPricePerShare" xlink:to="label_SaleOfStockPricePerShare_2" xlink:title="Label : SaleOfStockPricePerShare to label_SaleOfStockPricePerShare_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:title="ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xml:lang="en-US" id="label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1">Exercise price per share (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:to="label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:title="Label : ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 to label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_1" xml:lang="en-US" id="label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_1">Exercise price of warrants (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:to="label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_1" xlink:title="Label : ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 to label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_1" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_2" xml:lang="en-US" id="label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_2">Class of Warrant or Right, Exercise Price of Warrants or Rights</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:to="label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_2" xlink:title="Label : ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 to label_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfPrivatePlacement" xlink:label="ProceedsFromIssuanceOfPrivatePlacement" xlink:title="ProceedsFromIssuanceOfPrivatePlacement" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromIssuanceOfPrivatePlacement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ProceedsFromIssuanceOfPrivatePlacement" xml:lang="en-US" id="label_ProceedsFromIssuanceOfPrivatePlacement">Deducting placement agent fees</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceOfPrivatePlacement" xlink:to="label_ProceedsFromIssuanceOfPrivatePlacement" xlink:title="Label : ProceedsFromIssuanceOfPrivatePlacement to label_ProceedsFromIssuanceOfPrivatePlacement" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromIssuanceOfPrivatePlacement_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ProceedsFromIssuanceOfPrivatePlacement_1" xml:lang="en-US" id="label_ProceedsFromIssuanceOfPrivatePlacement_1">Proceeds from Issuance of Private Placement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceOfPrivatePlacement" xlink:to="label_ProceedsFromIssuanceOfPrivatePlacement_1" xlink:title="Label : ProceedsFromIssuanceOfPrivatePlacement to label_ProceedsFromIssuanceOfPrivatePlacement_1" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromIssuanceOfPrivatePlacement_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_ProceedsFromIssuanceOfPrivatePlacement_2" xml:lang="en-US" id="label_ProceedsFromIssuanceOfPrivatePlacement_2">Net proceeds from Private Placement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceOfPrivatePlacement" xlink:to="label_ProceedsFromIssuanceOfPrivatePlacement_2" xlink:title="Label : ProceedsFromIssuanceOfPrivatePlacement to label_ProceedsFromIssuanceOfPrivatePlacement_2" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromIssuanceOfPrivatePlacement_3" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:title="label_ProceedsFromIssuanceOfPrivatePlacement_3" xml:lang="en-US" id="label_ProceedsFromIssuanceOfPrivatePlacement_3">Net Proceeds from offering</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceOfPrivatePlacement" xlink:to="label_ProceedsFromIssuanceOfPrivatePlacement_3" xlink:title="Label : ProceedsFromIssuanceOfPrivatePlacement to label_ProceedsFromIssuanceOfPrivatePlacement_3" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromDebtNetOfIssuanceCosts" xlink:label="ProceedsFromDebtNetOfIssuanceCosts" xlink:title="ProceedsFromDebtNetOfIssuanceCosts" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromDebtNetOfIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ProceedsFromDebtNetOfIssuanceCosts" xml:lang="en-US" id="label_ProceedsFromDebtNetOfIssuanceCosts">Net proceeds</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromDebtNetOfIssuanceCosts" xlink:to="label_ProceedsFromDebtNetOfIssuanceCosts" xlink:title="Label : ProceedsFromDebtNetOfIssuanceCosts to label_ProceedsFromDebtNetOfIssuanceCosts" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromDebtNetOfIssuanceCosts_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ProceedsFromDebtNetOfIssuanceCosts_1" xml:lang="en-US" id="label_ProceedsFromDebtNetOfIssuanceCosts_1">Proceeds from Debt, Net of Issuance Costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromDebtNetOfIssuanceCosts" xlink:to="label_ProceedsFromDebtNetOfIssuanceCosts_1" xlink:title="Label : ProceedsFromDebtNetOfIssuanceCosts to label_ProceedsFromDebtNetOfIssuanceCosts_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_OtherOfferingExpensesPaid" xlink:label="OtherOfferingExpensesPaid" xlink:title="OtherOfferingExpensesPaid" />
    <link:label xlink:type="resource" xlink:label="label_OtherOfferingExpensesPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OtherOfferingExpensesPaid" xml:lang="en-US" id="label_OtherOfferingExpensesPaid">Other offering expenses paid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherOfferingExpensesPaid" xlink:to="label_OtherOfferingExpensesPaid" xlink:title="Label : OtherOfferingExpensesPaid to label_OtherOfferingExpensesPaid" />
    <link:label xlink:type="resource" xlink:label="label_OtherOfferingExpensesPaid_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_OtherOfferingExpensesPaid_1" xml:lang="en-US" id="label_OtherOfferingExpensesPaid_1">Cash outflow for other offering expenses.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherOfferingExpensesPaid" xlink:to="label_OtherOfferingExpensesPaid_1" xlink:title="Label : OtherOfferingExpensesPaid to label_OtherOfferingExpensesPaid_1" />
    <link:label xlink:type="resource" xlink:label="label_OtherOfferingExpensesPaid_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherOfferingExpensesPaid_2" xml:lang="en-US" id="label_OtherOfferingExpensesPaid_2">Other Offering Expenses Paid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherOfferingExpensesPaid" xlink:to="label_OtherOfferingExpensesPaid_2" xlink:title="Label : OtherOfferingExpensesPaid to label_OtherOfferingExpensesPaid_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WarrantExercisePriceIncrease" xlink:label="WarrantExercisePriceIncrease" xlink:title="WarrantExercisePriceIncrease" />
    <link:label xlink:type="resource" xlink:label="label_WarrantExercisePriceIncrease" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_WarrantExercisePriceIncrease" xml:lang="en-US" id="label_WarrantExercisePriceIncrease">Exercise price (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantExercisePriceIncrease" xlink:to="label_WarrantExercisePriceIncrease" xlink:title="Label : WarrantExercisePriceIncrease to label_WarrantExercisePriceIncrease" />
    <link:label xlink:type="resource" xlink:label="label_WarrantExercisePriceIncrease_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_WarrantExercisePriceIncrease_1" xml:lang="en-US" id="label_WarrantExercisePriceIncrease_1">Warrant, Exercise Price, Increase</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantExercisePriceIncrease" xlink:to="label_WarrantExercisePriceIncrease_1" xlink:title="Label : WarrantExercisePriceIncrease to label_WarrantExercisePriceIncrease_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax" xlink:label="OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax" xlink:title="OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax" />
    <link:label xlink:type="resource" xlink:label="label_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax" xml:lang="en-US" id="label_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax">Cash proceeds</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax" xlink:to="label_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax" xlink:title="Label : OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax to label_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax" />
    <link:label xlink:type="resource" xlink:label="label_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_1" xml:lang="en-US" id="label_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_1">Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax" xlink:to="label_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_1" xlink:title="Label : OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax to label_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DividendsPreferredStock" xlink:label="DividendsPreferredStock" xlink:title="DividendsPreferredStock" />
    <link:label xlink:type="resource" xlink:label="label_DividendsPreferredStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DividendsPreferredStock" xml:lang="en-US" id="label_DividendsPreferredStock">Dividends preferred stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DividendsPreferredStock" xlink:to="label_DividendsPreferredStock" xlink:title="Label : DividendsPreferredStock to label_DividendsPreferredStock" />
    <link:label xlink:type="resource" xlink:label="label_DividendsPreferredStock_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DividendsPreferredStock_1" xml:lang="en-US" id="label_DividendsPreferredStock_1">Dividends, Preferred Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DividendsPreferredStock" xlink:to="label_DividendsPreferredStock_1" xlink:title="Label : DividendsPreferredStock to label_DividendsPreferredStock_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockConvertibleConversionPriceIncrease" xlink:label="CommonStockConvertibleConversionPriceIncrease" xlink:title="CommonStockConvertibleConversionPriceIncrease" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockConvertibleConversionPriceIncrease" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CommonStockConvertibleConversionPriceIncrease" xml:lang="en-US" id="label_CommonStockConvertibleConversionPriceIncrease">Common stock conversion price per share (in dollars per share)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockConvertibleConversionPriceIncrease" xlink:to="label_CommonStockConvertibleConversionPriceIncrease" xlink:title="Label : CommonStockConvertibleConversionPriceIncrease to label_CommonStockConvertibleConversionPriceIncrease" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockConvertibleConversionPriceIncrease_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommonStockConvertibleConversionPriceIncrease_1" xml:lang="en-US" id="label_CommonStockConvertibleConversionPriceIncrease_1">Common Stock, Convertible, Conversion Price, Increase</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockConvertibleConversionPriceIncrease" xlink:to="label_CommonStockConvertibleConversionPriceIncrease_1" xlink:title="Label : CommonStockConvertibleConversionPriceIncrease to label_CommonStockConvertibleConversionPriceIncrease_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_CommonStockAggregateOfferingPrice" xlink:label="CommonStockAggregateOfferingPrice" xlink:title="CommonStockAggregateOfferingPrice" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockAggregateOfferingPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommonStockAggregateOfferingPrice" xml:lang="en-US" id="label_CommonStockAggregateOfferingPrice">Common Stock Aggregate Offering Price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockAggregateOfferingPrice" xlink:to="label_CommonStockAggregateOfferingPrice" xlink:title="Label : CommonStockAggregateOfferingPrice to label_CommonStockAggregateOfferingPrice" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockAggregateOfferingPrice_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CommonStockAggregateOfferingPrice_1" xml:lang="en-US" id="label_CommonStockAggregateOfferingPrice_1">Common stock aggregate offering price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockAggregateOfferingPrice" xlink:to="label_CommonStockAggregateOfferingPrice_1" xlink:title="Label : CommonStockAggregateOfferingPrice to label_CommonStockAggregateOfferingPrice_1" />
    <link:label xlink:type="resource" xlink:label="label_CommonStockAggregateOfferingPrice_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_CommonStockAggregateOfferingPrice_2" xml:lang="en-US" id="label_CommonStockAggregateOfferingPrice_2">Common stock having an aggregate offering price.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockAggregateOfferingPrice" xlink:to="label_CommonStockAggregateOfferingPrice_2" xlink:title="Label : CommonStockAggregateOfferingPrice to label_CommonStockAggregateOfferingPrice_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromOtherEquity" xlink:label="ProceedsFromOtherEquity" xlink:title="ProceedsFromOtherEquity" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromOtherEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ProceedsFromOtherEquity" xml:lang="en-US" id="label_ProceedsFromOtherEquity">Proceeds from Other Equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromOtherEquity" xlink:to="label_ProceedsFromOtherEquity" xlink:title="Label : ProceedsFromOtherEquity to label_ProceedsFromOtherEquity" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromOtherEquity_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ProceedsFromOtherEquity_1" xml:lang="en-US" id="label_ProceedsFromOtherEquity_1">Gross proceeds</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromOtherEquity" xlink:to="label_ProceedsFromOtherEquity_1" xlink:title="Label : ProceedsFromOtherEquity to label_ProceedsFromOtherEquity_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue">Weighted Average Exercise Price,Total exercisable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue_1">Weighted average fair value as of the exercisable date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue_1" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue_2" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue_2">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable Weighted Average Grant Date Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue_2" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable">Number of Warrants, Total exercisable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_1">The number of equity-based payment instruments, excluding stock (or unit) options, that were exercisable, during the reporting period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_1" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_2" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_2">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_2" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_2" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_3" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_3">Number of warrants exercisable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_3" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable_3" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_StockIssuedDuringPeriodIssuanceOfCommonStockUponExerciseOfPreFundedWarrantsinShares" xlink:label="StockIssuedDuringPeriodIssuanceOfCommonStockUponExerciseOfPreFundedWarrantsinShares" xlink:title="StockIssuedDuringPeriodIssuanceOfCommonStockUponExerciseOfPreFundedWarrantsinShares" />
    <link:label xlink:type="resource" xlink:label="label_StockIssuedDuringPeriodIssuanceOfCommonStockUponExerciseOfPreFundedWarrantsinShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_StockIssuedDuringPeriodIssuanceOfCommonStockUponExerciseOfPreFundedWarrantsinShares" xml:lang="en-US" id="label_StockIssuedDuringPeriodIssuanceOfCommonStockUponExerciseOfPreFundedWarrantsinShares">Issuance of common stock upon exercise of Pre-Funded Warrants (in shares)</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodIssuanceOfCommonStockUponExerciseOfPreFundedWarrantsinShares" xlink:to="label_StockIssuedDuringPeriodIssuanceOfCommonStockUponExerciseOfPreFundedWarrantsinShares_1" xlink:title="Label : StockIssuedDuringPeriodIssuanceOfCommonStockUponExerciseOfPreFundedWarrantsinShares to label_StockIssuedDuringPeriodIssuanceOfCommonStockUponExerciseOfPreFundedWarrantsinShares_1" />
    <link:label xlink:type="resource" xlink:label="label_StockIssuedDuringPeriodIssuanceOfCommonStockUponExerciseOfPreFundedWarrantsinShares_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StockIssuedDuringPeriodIssuanceOfCommonStockUponExerciseOfPreFundedWarrantsinShares_2" xml:lang="en-US" id="label_StockIssuedDuringPeriodIssuanceOfCommonStockUponExerciseOfPreFundedWarrantsinShares_2">Stock Issued During Period Issuance Of Common Stock Upon Exercise Of Pre Funded Warrantsin Shares</link:label>
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    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_1" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_1">Finite-Lived Intangible Asset, Expected Amortization, Year One</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:title="FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" />
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    <link:label xlink:type="resource" xlink:label="label_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_1" xml:lang="en-US" id="label_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_1">Finite-Lived Intangible Asset, Expected Amortization, Year Four</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <link:label xlink:type="resource" xlink:label="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xml:lang="en-US" id="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths">2027</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:title="Label : LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths to label_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <link:label xlink:type="resource" xlink:label="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_1" xml:lang="en-US" id="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_1">Long-Term Debt, Maturity, Year One</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
    <link:label xlink:type="resource" xlink:label="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xml:lang="en-US" id="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo">2028</link:label>
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    <link:label xlink:type="resource" xlink:label="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_1" xml:lang="en-US" id="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_1">Long-Term Debt, Maturity, Year Two</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_1" xlink:title="Label : LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo to label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
    <link:label xlink:type="resource" xlink:label="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xml:lang="en-US" id="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree">2029</link:label>
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    <link:label xlink:type="resource" xlink:label="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1" xml:lang="en-US" id="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1">Long-Term Debt, Maturity, Year Three</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1" xlink:title="Label : LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree to label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:title="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
    <link:label xlink:type="resource" xlink:label="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xml:lang="en-US" id="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour">2030</link:label>
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    <link:label xlink:type="resource" xlink:label="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_1" xml:lang="en-US" id="label_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_1">Long-Term Debt, Maturity, Year Four</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockValue" xlink:label="PreferredStockValue" xlink:title="PreferredStockValue" />
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    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ValuationOfContingentMilestonePaymentDiscountRate" xlink:label="ValuationOfContingentMilestonePaymentDiscountRate" xlink:title="ValuationOfContingentMilestonePaymentDiscountRate" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnamortizedBalancePrepaidAssets" xlink:to="label_UnamortizedBalancePrepaidAssets" xlink:title="Label : UnamortizedBalancePrepaidAssets to label_UnamortizedBalancePrepaidAssets" />
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    <link:label xlink:type="resource" xlink:label="label_NumberOfTranches" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_NumberOfTranches" xml:lang="en-US" id="label_NumberOfTranches">Number of Tranches</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfTranches" xlink:to="label_NumberOfTranches" xlink:title="Label : NumberOfTranches to label_NumberOfTranches" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfTranches_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_NumberOfTranches_1" xml:lang="en-US" id="label_NumberOfTranches_1">Number of tranches</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfTranches" xlink:to="label_NumberOfTranches_1" xlink:title="Label : NumberOfTranches to label_NumberOfTranches_1" />
    <link:label xlink:type="resource" xlink:label="label_NumberOfTranches_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_NumberOfTranches_2" xml:lang="en-US" id="label_NumberOfTranches_2">Number of tranches.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfTranches" xlink:to="label_NumberOfTranches_2" xlink:title="Label : NumberOfTranches to label_NumberOfTranches_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_AtTheMarket2026OfferingMember" xlink:label="AtTheMarket2026OfferingMember" xlink:title="AtTheMarket2026OfferingMember" />
    <link:label xlink:type="resource" xlink:label="label_AtTheMarket2026OfferingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AtTheMarket2026OfferingMember" xml:lang="en-US" id="label_AtTheMarket2026OfferingMember">At The Market 2026 Offering [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AtTheMarket2026OfferingMember" xlink:to="label_AtTheMarket2026OfferingMember" xlink:title="Label : AtTheMarket2026OfferingMember to label_AtTheMarket2026OfferingMember" />
    <link:label xlink:type="resource" xlink:label="label_AtTheMarket2026OfferingMember_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AtTheMarket2026OfferingMember_1" xml:lang="en-US" id="label_AtTheMarket2026OfferingMember_1">2026 ATM Offering [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AtTheMarket2026OfferingMember" xlink:to="label_AtTheMarket2026OfferingMember_1" xlink:title="Label : AtTheMarket2026OfferingMember to label_AtTheMarket2026OfferingMember_1" />
    <link:label xlink:type="resource" xlink:label="label_AtTheMarket2026OfferingMember_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_AtTheMarket2026OfferingMember_2" xml:lang="en-US" id="label_AtTheMarket2026OfferingMember_2">This member stands for the information pertaining to "2026 ATM Offering".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AtTheMarket2026OfferingMember" xlink:to="label_AtTheMarket2026OfferingMember_2" xlink:title="Label : AtTheMarket2026OfferingMember to label_AtTheMarket2026OfferingMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_IncreasedCommonStockAggregateGrossSalesProceedAuthorized" xlink:label="IncreasedCommonStockAggregateGrossSalesProceedAuthorized" xlink:title="IncreasedCommonStockAggregateGrossSalesProceedAuthorized" />
    <link:label xlink:type="resource" xlink:label="label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized" xml:lang="en-US" id="label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized">Increased Common Stock Aggregate Gross Sales Proceed Authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreasedCommonStockAggregateGrossSalesProceedAuthorized" xlink:to="label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized" xlink:title="Label : IncreasedCommonStockAggregateGrossSalesProceedAuthorized to label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized" />
    <link:label xlink:type="resource" xlink:label="label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized_1" xml:lang="en-US" id="label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized_1">Increased common stock aggregate gross sales proceeds authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreasedCommonStockAggregateGrossSalesProceedAuthorized" xlink:to="label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized_1" xlink:title="Label : IncreasedCommonStockAggregateGrossSalesProceedAuthorized to label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized_1" />
    <link:label xlink:type="resource" xlink:label="label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized_2" xml:lang="en-US" id="label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized_2">Authorized increased aggregate gross sales proceeds of common stock.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreasedCommonStockAggregateGrossSalesProceedAuthorized" xlink:to="label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized_2" xlink:title="Label : IncreasedCommonStockAggregateGrossSalesProceedAuthorized to label_IncreasedCommonStockAggregateGrossSalesProceedAuthorized_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ReverseStockSplitFractionalSharesRoundingAdjustment" xlink:label="ReverseStockSplitFractionalSharesRoundingAdjustment" xlink:title="ReverseStockSplitFractionalSharesRoundingAdjustment" />
    <link:label xlink:type="resource" xlink:label="label_ReverseStockSplitFractionalSharesRoundingAdjustment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ReverseStockSplitFractionalSharesRoundingAdjustment" xml:lang="en-US" id="label_ReverseStockSplitFractionalSharesRoundingAdjustment">Reverse Stock Split Fractional Shares Rounding Adjustment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReverseStockSplitFractionalSharesRoundingAdjustment" xlink:to="label_ReverseStockSplitFractionalSharesRoundingAdjustment" xlink:title="Label : ReverseStockSplitFractionalSharesRoundingAdjustment to label_ReverseStockSplitFractionalSharesRoundingAdjustment" />
    <link:label xlink:type="resource" xlink:label="label_ReverseStockSplitFractionalSharesRoundingAdjustment_1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_ReverseStockSplitFractionalSharesRoundingAdjustment_1" xml:lang="en-US" id="label_ReverseStockSplitFractionalSharesRoundingAdjustment_1">Share rounding adjustment for Reverse Stock Split (in Shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReverseStockSplitFractionalSharesRoundingAdjustment" xlink:to="label_ReverseStockSplitFractionalSharesRoundingAdjustment_1" xlink:title="Label : ReverseStockSplitFractionalSharesRoundingAdjustment to label_ReverseStockSplitFractionalSharesRoundingAdjustment_1" />
    <link:label xlink:type="resource" xlink:label="label_ReverseStockSplitFractionalSharesRoundingAdjustment_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ReverseStockSplitFractionalSharesRoundingAdjustment_2" xml:lang="en-US" id="label_ReverseStockSplitFractionalSharesRoundingAdjustment_2">Share rounding adjustment for Reverse Stock Split.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReverseStockSplitFractionalSharesRoundingAdjustment" xlink:to="label_ReverseStockSplitFractionalSharesRoundingAdjustment_2" xlink:title="Label : ReverseStockSplitFractionalSharesRoundingAdjustment to label_ReverseStockSplitFractionalSharesRoundingAdjustment_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis" xlink:label="ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis" xlink:title="ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis" xml:lang="en-US" id="label_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis">Supplier [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis" xlink:to="label_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis" xlink:title="Label : ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis to label_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain" xlink:label="ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain" xlink:title="ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain" xml:lang="en-US" id="label_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain">Supplier [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain" xlink:to="label_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain" xlink:title="Label : ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain to label_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ConsultingAgreementMember" xlink:label="ConsultingAgreementMember" xlink:title="ConsultingAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_ConsultingAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ConsultingAgreementMember" xml:lang="en-US" id="label_ConsultingAgreementMember">This member stands for the information pertaining to "Consulting Areement ".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsultingAgreementMember" xlink:to="label_ConsultingAgreementMember" xlink:title="Label : ConsultingAgreementMember to label_ConsultingAgreementMember" />
    <link:label xlink:type="resource" xlink:label="label_ConsultingAgreementMember_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ConsultingAgreementMember_1" xml:lang="en-US" id="label_ConsultingAgreementMember_1">Consulting Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsultingAgreementMember" xlink:to="label_ConsultingAgreementMember_1" xlink:title="Label : ConsultingAgreementMember to label_ConsultingAgreementMember_1" />
    <link:label xlink:type="resource" xlink:label="label_ConsultingAgreementMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ConsultingAgreementMember_2" xml:lang="en-US" id="label_ConsultingAgreementMember_2">Consulting Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsultingAgreementMember" xlink:to="label_ConsultingAgreementMember_2" xlink:title="Label : ConsultingAgreementMember to label_ConsultingAgreementMember_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod">Number of Warrants, Granted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_1">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_1" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_2" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_2">Number of warrants granted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_2" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_2" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_3" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_3" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_3">Restricted stock unit granted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_3" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_3" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue">Weighted Average Exercise Price, Granted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_1">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_1" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_1" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_2" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_2">Restricted stock unit grant date fair value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_2" xlink:title="Label : ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue to label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_DescriptionConsultingAgreementTerm" xlink:label="DescriptionConsultingAgreementTerm" xlink:title="DescriptionConsultingAgreementTerm" />
    <link:label xlink:type="resource" xlink:label="label_DescriptionConsultingAgreementTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DescriptionConsultingAgreementTerm" xml:lang="en-US" id="label_DescriptionConsultingAgreementTerm">Description of consulting agreement term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DescriptionConsultingAgreementTerm" xlink:to="label_DescriptionConsultingAgreementTerm" xlink:title="Label : DescriptionConsultingAgreementTerm to label_DescriptionConsultingAgreementTerm" />
    <link:label xlink:type="resource" xlink:label="label_DescriptionConsultingAgreementTerm_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_DescriptionConsultingAgreementTerm_1" xml:lang="en-US" id="label_DescriptionConsultingAgreementTerm_1">Description of consulting agreement term.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DescriptionConsultingAgreementTerm" xlink:to="label_DescriptionConsultingAgreementTerm_1" xlink:title="Label : DescriptionConsultingAgreementTerm to label_DescriptionConsultingAgreementTerm_1" />
    <link:label xlink:type="resource" xlink:label="label_DescriptionConsultingAgreementTerm_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DescriptionConsultingAgreementTerm_2" xml:lang="en-US" id="label_DescriptionConsultingAgreementTerm_2">Description Consulting Agreement Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DescriptionConsultingAgreementTerm" xlink:to="label_DescriptionConsultingAgreementTerm_2" xlink:title="Label : DescriptionConsultingAgreementTerm to label_DescriptionConsultingAgreementTerm_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsEachMonth" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsEachMonth" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsEachMonth" />
    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsEachMonth" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsEachMonth" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsEachMonth">Additional restricted stock unit granted each month</link:label>
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    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsEachMonth_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsEachMonth_1" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsEachMonth_1">The number of additional unit grants made each month on other than stock (or unit) option plans.&#xA0;</link:label>
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    <link:label xlink:type="resource" xlink:label="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsEachMonth_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsEachMonth_2" xml:lang="en-US" id="label_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalGrantsEachMonth_2">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Additional Grants Each Month</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet" xlink:label="InterestIncomeExpenseNonoperatingNet" xlink:title="InterestIncomeExpenseNonoperatingNet" />
    <link:label xlink:type="resource" xlink:label="label_InterestIncomeExpenseNonoperatingNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_InterestIncomeExpenseNonoperatingNet" xml:lang="en-US" id="label_InterestIncomeExpenseNonoperatingNet">Total Interest and Other Income, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestIncomeExpenseNonoperatingNet" xlink:to="label_InterestIncomeExpenseNonoperatingNet" xlink:title="Label : InterestIncomeExpenseNonoperatingNet to label_InterestIncomeExpenseNonoperatingNet" />
    <link:label xlink:type="resource" xlink:label="label_InterestIncomeExpenseNonoperatingNet_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_InterestIncomeExpenseNonoperatingNet_1" xml:lang="en-US" id="label_InterestIncomeExpenseNonoperatingNet_1">Interest Income (Expense), Nonoperating</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestIncomeExpenseNonoperatingNet" xlink:to="label_InterestIncomeExpenseNonoperatingNet_1" xlink:title="Label : InterestIncomeExpenseNonoperatingNet to label_InterestIncomeExpenseNonoperatingNet_1" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_WriteoffsOfCapitalizedPatents" xlink:label="WriteoffsOfCapitalizedPatents" xlink:title="WriteoffsOfCapitalizedPatents" />
    <link:label xlink:type="resource" xlink:label="label_WriteoffsOfCapitalizedPatents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_WriteoffsOfCapitalizedPatents" xml:lang="en-US" id="label_WriteoffsOfCapitalizedPatents">Write-offs of Capitalized Patents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WriteoffsOfCapitalizedPatents" xlink:to="label_WriteoffsOfCapitalizedPatents" xlink:title="Label : WriteoffsOfCapitalizedPatents to label_WriteoffsOfCapitalizedPatents" />
    <link:label xlink:type="resource" xlink:label="label_WriteoffsOfCapitalizedPatents_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_WriteoffsOfCapitalizedPatents_1" xml:lang="en-US" id="label_WriteoffsOfCapitalizedPatents_1">The amount of write-offs of capitalized patents.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WriteoffsOfCapitalizedPatents" xlink:to="label_WriteoffsOfCapitalizedPatents_1" xlink:title="Label : WriteoffsOfCapitalizedPatents to label_WriteoffsOfCapitalizedPatents_1" />
    <link:label xlink:type="resource" xlink:label="label_WriteoffsOfCapitalizedPatents_2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_WriteoffsOfCapitalizedPatents_2" xml:lang="en-US" id="label_WriteoffsOfCapitalizedPatents_2">Writeoffs Of Capitalized Patents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WriteoffsOfCapitalizedPatents" xlink:to="label_WriteoffsOfCapitalizedPatents_2" xlink:title="Label : WriteoffsOfCapitalizedPatents to label_WriteoffsOfCapitalizedPatents_2" />
    <link:label xlink:type="resource" xlink:label="label_WriteoffsOfCapitalizedPatents_3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_WriteoffsOfCapitalizedPatents_3" xml:lang="en-US" id="label_WriteoffsOfCapitalizedPatents_3">Write-down for obsolete patents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WriteoffsOfCapitalizedPatents" xlink:to="label_WriteoffsOfCapitalizedPatents_3" xlink:title="Label : WriteoffsOfCapitalizedPatents to label_WriteoffsOfCapitalizedPatents_3" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_January2025OfferingMember" xlink:label="January2025OfferingMember" xlink:title="January2025OfferingMember" />
    <link:label xlink:type="resource" xlink:label="label_January2025OfferingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_January2025OfferingMember" xml:lang="en-US" id="label_January2025OfferingMember">January 2025 Offering [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="January2025OfferingMember" xlink:to="label_January2025OfferingMember" xlink:title="Label : January2025OfferingMember to label_January2025OfferingMember" />
    <link:label xlink:type="resource" xlink:label="label_January2025OfferingMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_January2025OfferingMember_1" xml:lang="en-US" id="label_January2025OfferingMember_1">This member stands for information pertaining to "January 2025 Offering".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="January2025OfferingMember" xlink:to="label_January2025OfferingMember_1" xlink:title="Label : January2025OfferingMember to label_January2025OfferingMember_1" />
    <link:label xlink:type="resource" xlink:label="label_January2025OfferingMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_January2025OfferingMember_2" xml:lang="en-US" id="label_January2025OfferingMember_2">January 2025 Offering [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="January2025OfferingMember" xlink:to="label_January2025OfferingMember_2" xlink:title="Label : January2025OfferingMember to label_January2025OfferingMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_ClassOfWarrantOrRightsExpiryTerm" xlink:label="ClassOfWarrantOrRightsExpiryTerm" xlink:title="ClassOfWarrantOrRightsExpiryTerm" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfWarrantOrRightsExpiryTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ClassOfWarrantOrRightsExpiryTerm" xml:lang="en-US" id="label_ClassOfWarrantOrRightsExpiryTerm">Class of Warrant or Rights Expiry Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightsExpiryTerm" xlink:to="label_ClassOfWarrantOrRightsExpiryTerm" xlink:title="Label : ClassOfWarrantOrRightsExpiryTerm to label_ClassOfWarrantOrRightsExpiryTerm" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfWarrantOrRightsExpiryTerm_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ClassOfWarrantOrRightsExpiryTerm_1" xml:lang="en-US" id="label_ClassOfWarrantOrRightsExpiryTerm_1">Expiry term of class of warrant or rights.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightsExpiryTerm" xlink:to="label_ClassOfWarrantOrRightsExpiryTerm_1" xlink:title="Label : ClassOfWarrantOrRightsExpiryTerm to label_ClassOfWarrantOrRightsExpiryTerm_1" />
    <link:label xlink:type="resource" xlink:label="label_ClassOfWarrantOrRightsExpiryTerm_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ClassOfWarrantOrRightsExpiryTerm_2" xml:lang="en-US" id="label_ClassOfWarrantOrRightsExpiryTerm_2">Warrant expiry period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightsExpiryTerm" xlink:to="label_ClassOfWarrantOrRightsExpiryTerm_2" xlink:title="Label : ClassOfWarrantOrRightsExpiryTerm to label_ClassOfWarrantOrRightsExpiryTerm_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_JanuaryTwoThousandTwentyFiveAgentWarrantMember" xlink:label="JanuaryTwoThousandTwentyFiveAgentWarrantMember" xlink:title="JanuaryTwoThousandTwentyFiveAgentWarrantMember" />
    <link:label xlink:type="resource" xlink:label="label_JanuaryTwoThousandTwentyFiveAgentWarrantMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_JanuaryTwoThousandTwentyFiveAgentWarrantMember" xml:lang="en-US" id="label_JanuaryTwoThousandTwentyFiveAgentWarrantMember">January Two Thousand Twenty Five Agent Warrant [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JanuaryTwoThousandTwentyFiveAgentWarrantMember" xlink:to="label_JanuaryTwoThousandTwentyFiveAgentWarrantMember" xlink:title="Label : JanuaryTwoThousandTwentyFiveAgentWarrantMember to label_JanuaryTwoThousandTwentyFiveAgentWarrantMember" />
    <link:label xlink:type="resource" xlink:label="label_JanuaryTwoThousandTwentyFiveAgentWarrantMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_JanuaryTwoThousandTwentyFiveAgentWarrantMember_1" xml:lang="en-US" id="label_JanuaryTwoThousandTwentyFiveAgentWarrantMember_1">This member stands for information pertaining to "January 2025 Agent Warrants".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JanuaryTwoThousandTwentyFiveAgentWarrantMember" xlink:to="label_JanuaryTwoThousandTwentyFiveAgentWarrantMember_1" xlink:title="Label : JanuaryTwoThousandTwentyFiveAgentWarrantMember to label_JanuaryTwoThousandTwentyFiveAgentWarrantMember_1" />
    <link:label xlink:type="resource" xlink:label="label_JanuaryTwoThousandTwentyFiveAgentWarrantMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_JanuaryTwoThousandTwentyFiveAgentWarrantMember_2" xml:lang="en-US" id="label_JanuaryTwoThousandTwentyFiveAgentWarrantMember_2">January 2025 Agent Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JanuaryTwoThousandTwentyFiveAgentWarrantMember" xlink:to="label_JanuaryTwoThousandTwentyFiveAgentWarrantMember_2" xlink:title="Label : JanuaryTwoThousandTwentyFiveAgentWarrantMember to label_JanuaryTwoThousandTwentyFiveAgentWarrantMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_JanuaryTwoThousandTwentyFiveWarrantMember" xlink:label="JanuaryTwoThousandTwentyFiveWarrantMember" xlink:title="JanuaryTwoThousandTwentyFiveWarrantMember" />
    <link:label xlink:type="resource" xlink:label="label_JanuaryTwoThousandTwentyFiveWarrantMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_JanuaryTwoThousandTwentyFiveWarrantMember" xml:lang="en-US" id="label_JanuaryTwoThousandTwentyFiveWarrantMember">January Two Thousand Twenty Five Warrant [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JanuaryTwoThousandTwentyFiveWarrantMember" xlink:to="label_JanuaryTwoThousandTwentyFiveWarrantMember" xlink:title="Label : JanuaryTwoThousandTwentyFiveWarrantMember to label_JanuaryTwoThousandTwentyFiveWarrantMember" />
    <link:label xlink:type="resource" xlink:label="label_JanuaryTwoThousandTwentyFiveWarrantMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_JanuaryTwoThousandTwentyFiveWarrantMember_1" xml:lang="en-US" id="label_JanuaryTwoThousandTwentyFiveWarrantMember_1">This member stands for information pertaining to "January 2025 Warrants".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JanuaryTwoThousandTwentyFiveWarrantMember" xlink:to="label_JanuaryTwoThousandTwentyFiveWarrantMember_1" xlink:title="Label : JanuaryTwoThousandTwentyFiveWarrantMember to label_JanuaryTwoThousandTwentyFiveWarrantMember_1" />
    <link:label xlink:type="resource" xlink:label="label_JanuaryTwoThousandTwentyFiveWarrantMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_JanuaryTwoThousandTwentyFiveWarrantMember_2" xml:lang="en-US" id="label_JanuaryTwoThousandTwentyFiveWarrantMember_2">January 2025 Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JanuaryTwoThousandTwentyFiveWarrantMember" xlink:to="label_JanuaryTwoThousandTwentyFiveWarrantMember_2" xlink:title="Label : JanuaryTwoThousandTwentyFiveWarrantMember to label_JanuaryTwoThousandTwentyFiveWarrantMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_February2025OfferingMember" xlink:label="February2025OfferingMember" xlink:title="February2025OfferingMember" />
    <link:label xlink:type="resource" xlink:label="label_February2025OfferingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_February2025OfferingMember" xml:lang="en-US" id="label_February2025OfferingMember">February 2025 Offering [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="February2025OfferingMember" xlink:to="label_February2025OfferingMember" xlink:title="Label : February2025OfferingMember to label_February2025OfferingMember" />
    <link:label xlink:type="resource" xlink:label="label_February2025OfferingMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_February2025OfferingMember_1" xml:lang="en-US" id="label_February2025OfferingMember_1">This member stands for information pertaining to "February 2025 Offering".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="February2025OfferingMember" xlink:to="label_February2025OfferingMember_1" xlink:title="Label : February2025OfferingMember to label_February2025OfferingMember_1" />
    <link:label xlink:type="resource" xlink:label="label_February2025OfferingMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_February2025OfferingMember_2" xml:lang="en-US" id="label_February2025OfferingMember_2">February 2025 Offering [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="February2025OfferingMember" xlink:to="label_February2025OfferingMember_2" xlink:title="Label : February2025OfferingMember to label_February2025OfferingMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_FebruaryTwoThousandTwentyFiveWarrantMember" xlink:label="FebruaryTwoThousandTwentyFiveWarrantMember" xlink:title="FebruaryTwoThousandTwentyFiveWarrantMember" />
    <link:label xlink:type="resource" xlink:label="label_FebruaryTwoThousandTwentyFiveWarrantMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FebruaryTwoThousandTwentyFiveWarrantMember" xml:lang="en-US" id="label_FebruaryTwoThousandTwentyFiveWarrantMember">February Two Thousand Twenty Five Warrant [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FebruaryTwoThousandTwentyFiveWarrantMember" xlink:to="label_FebruaryTwoThousandTwentyFiveWarrantMember" xlink:title="Label : FebruaryTwoThousandTwentyFiveWarrantMember to label_FebruaryTwoThousandTwentyFiveWarrantMember" />
    <link:label xlink:type="resource" xlink:label="label_FebruaryTwoThousandTwentyFiveWarrantMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_FebruaryTwoThousandTwentyFiveWarrantMember_1" xml:lang="en-US" id="label_FebruaryTwoThousandTwentyFiveWarrantMember_1">This member stands for information pertaining to "February 2025 Warrants".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FebruaryTwoThousandTwentyFiveWarrantMember" xlink:to="label_FebruaryTwoThousandTwentyFiveWarrantMember_1" xlink:title="Label : FebruaryTwoThousandTwentyFiveWarrantMember to label_FebruaryTwoThousandTwentyFiveWarrantMember_1" />
    <link:label xlink:type="resource" xlink:label="label_FebruaryTwoThousandTwentyFiveWarrantMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FebruaryTwoThousandTwentyFiveWarrantMember_2" xml:lang="en-US" id="label_FebruaryTwoThousandTwentyFiveWarrantMember_2">February 2025 Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FebruaryTwoThousandTwentyFiveWarrantMember" xlink:to="label_FebruaryTwoThousandTwentyFiveWarrantMember_2" xlink:title="Label : FebruaryTwoThousandTwentyFiveWarrantMember to label_FebruaryTwoThousandTwentyFiveWarrantMember_2" />
    <link:loc xlink:type="locator" xlink:href="sxtp-20260331.xsd#sxtp_FebruaryTwoThousandTwentyFiveAgentWarrantMember" xlink:label="FebruaryTwoThousandTwentyFiveAgentWarrantMember" xlink:title="FebruaryTwoThousandTwentyFiveAgentWarrantMember" />
    <link:label xlink:type="resource" xlink:label="label_FebruaryTwoThousandTwentyFiveAgentWarrantMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_FebruaryTwoThousandTwentyFiveAgentWarrantMember" xml:lang="en-US" id="label_FebruaryTwoThousandTwentyFiveAgentWarrantMember">February Two Thousand Twenty Five Agent Warrant [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FebruaryTwoThousandTwentyFiveAgentWarrantMember" xlink:to="label_FebruaryTwoThousandTwentyFiveAgentWarrantMember" xlink:title="Label : FebruaryTwoThousandTwentyFiveAgentWarrantMember to label_FebruaryTwoThousandTwentyFiveAgentWarrantMember" />
    <link:label xlink:type="resource" xlink:label="label_FebruaryTwoThousandTwentyFiveAgentWarrantMember_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_FebruaryTwoThousandTwentyFiveAgentWarrantMember_1" xml:lang="en-US" id="label_FebruaryTwoThousandTwentyFiveAgentWarrantMember_1">This member stands for information pertaining to "February 2025 Agent Warrants".</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FebruaryTwoThousandTwentyFiveAgentWarrantMember" xlink:to="label_FebruaryTwoThousandTwentyFiveAgentWarrantMember_1" xlink:title="Label : FebruaryTwoThousandTwentyFiveAgentWarrantMember to label_FebruaryTwoThousandTwentyFiveAgentWarrantMember_1" />
    <link:label xlink:type="resource" xlink:label="label_FebruaryTwoThousandTwentyFiveAgentWarrantMember_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_FebruaryTwoThousandTwentyFiveAgentWarrantMember_2" xml:lang="en-US" id="label_FebruaryTwoThousandTwentyFiveAgentWarrantMember_2">February 2025 Agent Warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FebruaryTwoThousandTwentyFiveAgentWarrantMember" xlink:to="label_FebruaryTwoThousandTwentyFiveAgentWarrantMember_2" xlink:title="Label : FebruaryTwoThousandTwentyFiveAgentWarrantMember to label_FebruaryTwoThousandTwentyFiveAgentWarrantMember_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" />
    <link:label xlink:type="resource" xlink:label="label_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_ProfitLoss" xml:lang="en-US" id="label_ProfitLoss">Net Loss including Noncontrolling Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProfitLoss" xlink:to="label_ProfitLoss" xlink:title="Label : ProfitLoss to label_ProfitLoss" />
    <link:label xlink:type="resource" xlink:label="label_ProfitLoss_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_ProfitLoss_1" xml:lang="en-US" id="label_ProfitLoss_1">Net Loss</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProfitLoss" xlink:to="label_ProfitLoss_1" xlink:title="Label : ProfitLoss to label_ProfitLoss_1" />
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