3737508 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3737508 > 2 > ChemIDplus > 028930930 > 1,1'-Methylenebis(4-isocyanatobenzene), 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 1,4-benzenedicarboxylic acid polymer 1,4-Benzenedicarboxylic acid, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid and 1,1'-methylenebis(4-isocyanatobenzene) 28930-93-0 50660-88-3 > 28930-93-0 50660-88-3 > 028930930 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=028930930 $$$$