3736076 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3736076 > 2 > ChemIDplus > 025085921 > 127991-33-7 1H,3H-Benzo(1,2-c:4,5-c')difuran-1,3,5,7-tetrone, 5,5'-carbonylbis(1,3-isobenzofurandione), 4,4'-oxybis(4-benzenamine) polymer 1H,3H-Benzo(1,2-c:4,5-c')difuran-1,3,5,7-tetrone, polymer with 5,5'-carbonylbis(1,3-isobenzofurandione) and 4,4'-oxybis(benzenamine) 25085-92-1 > 127991-33-7 25085-92-1 > 025085921 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=025085921 $$$$