Synonyms: AC1O57VX;1,3-Isobenzofurandione, 5,5'-carbonylbis-, polymer with 2,4-diisocyanato-1-methylbenzene and 1,1'-methylenebis(4-isocyanatobenzene);119912-01-5;2,4-diisocyanato-1-methylbenzene; 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione; 1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene;58698-66-1;Benzophenonetetracarboxylic dianhydride, 2,4-toluenediisocyanate, 4,4'-methylenediphenyldiisocyanate polyimide