3813269 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3813269 > 2 > ChemIDplus > 134119418 > 134119-41-8 1H,3H-Benzo(1,2-c:4,5-c')difuran-1,3,5,7-tetrone, polymer with 5,5'-carbonylbis(1,3-isobenzofurandione) and 1,3-diisocyanatomethylbenzene > 134119-41-8 > 134119418 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=134119418 $$$$