3748663 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > <PUBCHEM_SUBSTANCE_ID> 3748663 > <PUBCHEM_SUBSTANCE_VERSION> 2 > <PUBCHEM_EXT_DATASOURCE_NAME> ChemIDplus > <PUBCHEM_EXT_DATASOURCE_REGID> 063625365 > <PUBCHEM_SUBSTANCE_SYNONYM> 2,5-Furandione, polymer with 1-butene and ethene 63625-36-5 > <PUBCHEM_GENERIC_REGISTRY_NAME> 63625-36-5 > <PUBCHEM_XREF_EXT_ID> 063625365 > <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=063625365 $$$$