3737599 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3737599 > 2 > ChemIDplus > 029319220 > (5,5'-Biisobenzofuran)-1,1',3,3'-tetrone, polymer with 1,4-benzenediamine 125523-89-9 29319-22-0 > 125523-89-9 29319-22-0 > 029319220 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=029319220 $$$$