3728229 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > <PUBCHEM_SUBSTANCE_ID> 3728229 > <PUBCHEM_SUBSTANCE_VERSION> 2 > <PUBCHEM_EXT_DATASOURCE_NAME> ChemIDplus > <PUBCHEM_EXT_DATASOURCE_REGID> 001401112 > <PUBCHEM_SUBSTANCE_SYNONYM> 1401-11-2 Ractinomycin A > <PUBCHEM_GENERIC_REGISTRY_NAME> 1401-11-2 > <PUBCHEM_XREF_EXT_ID> 001401112 > <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=001401112 $$$$