3749303 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3749303 > 2 > ChemIDplus > 064640524 > 1,3-Benzenedicarboxylic acid, polymer with 2,4-diisocyanato-1-methylbenzene, 1,1'-methylenebis(4-isocyanatobenzene) and nonanedioic acid 64640-52-4 Isophthalic acid, azelaic acid, 2,4-toluenediisocyanate, 4,4'-methylenediphenyldiisocyanate > 64640-52-4 > 064640524 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=064640524 $$$$