3729281 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > <PUBCHEM_SUBSTANCE_ID> 3729281 > <PUBCHEM_SUBSTANCE_VERSION> 2 > <PUBCHEM_EXT_DATASOURCE_NAME> ChemIDplus > <PUBCHEM_EXT_DATASOURCE_REGID> 004274264 > <PUBCHEM_SUBSTANCE_SYNONYM> (1)Benzopyrano(5,4,3-cde)(1)benzopyrano(5,4,3-cde)(1)benzopyran-5,10-dione, 2,3,7,8-tetrakis(acetyloxy)- 2,3,7,8-Tetrakis(acetyloxy)-(1)benzopyrano(5,4,3-cde)(1)benzopyrano(5,4,3-cde)(1)benzopyran-5,10-dione 4274-26-4 > <PUBCHEM_GENERIC_REGISTRY_NAME> 4274-26-4 > <PUBCHEM_XREF_EXT_ID> 004274264 > <PUBCHEM_EXT_DATASOURCE_URL> http://chem.sis.nlm.nih.gov/chemidplus/ > <PUBCHEM_EXT_SUBSTANCE_URL> http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=004274264 $$$$