589919 -OEChem-07250805132D 0 0 0 0 0 0 0 0 0999 V2000 M END > <PUBCHEM_SUBSTANCE_ID> 589919 > <PUBCHEM_SUBSTANCE_VERSION> 4 > <PUBCHEM_EXT_DATASOURCE_NAME> NMRShiftDB > <PUBCHEM_EXT_DATASOURCE_REGID> 10017588 > <PUBCHEM_XREF_EXT_ID> 10017588 $$$$