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    <element id="nnup_FairMarketValue" name="FairMarketValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="nnup_ConsultingExpenses" name="ConsultingExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="nnup_DeferredTaxAssetsAndLiabilitiesAbstract" name="DeferredTaxAssetsAndLiabilitiesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="nnup_IncomeTaxReconciliationChangeInDeferredTaxAssetsStateValuationAdjustment" name="IncomeTaxReconciliationChangeInDeferredTaxAssetsStateValuationAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="nnup_EffectiveIncomeTaxRateReconciliationStateValuationAdjustment" name="EffectiveIncomeTaxRateReconciliationStateValuationAdjustment" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="nnup_IncomeTaxReconciliationChangeInDeferredTaxAssetsPennsylvaniaNetOperatingLossExpiration" name="IncomeTaxReconciliationChangeInDeferredTaxAssetsPennsylvaniaNetOperatingLossExpiration" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="nnup_EffectiveIncomeTaxRateReconciliationPennsylvaniaNetOperatingLossExpiration" name="EffectiveIncomeTaxRateReconciliationPennsylvaniaNetOperatingLossExpiration" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="nnup_IncomeTaxReconciliationNondeductibleReturnProvisionAdjustments" name="IncomeTaxReconciliationNondeductibleReturnProvisionAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="nnup_EffectiveIncomeTaxRateReconciliationNondeductibleReturnProvisionAdjustments" name="EffectiveIncomeTaxRateReconciliationNondeductibleReturnProvisionAdjustments" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="nnup_IncomeTaxReconciliationNondeductibleNetOperatingLosses" name="IncomeTaxReconciliationNondeductibleNetOperatingLosses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="nnup_EffectiveIncomeTaxRateReconciliationNondeductibleNetOperatingLosses" name="EffectiveIncomeTaxRateReconciliationNondeductibleNetOperatingLosses" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="nnup_EscalatingAnnuallyRate" name="EscalatingAnnuallyRate" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
</schema>
