Alias：1,3-Dioxo-1,3-dihydroisobenzofuran-5-carboxylic acid;1,2,4-BENZENETRICARBOXYLIC 1,2-ANHYDRIDE;1,2,4-BENZENETRICARBOXYLIC ACID 1,2-ANHYDRIDE;4-CARBOXYPHTHALIC ANHYDRIDE;BENZENE-1,2,4-TRICARBOXYLIC ANHYDRIDE;TRIMELLITIC ACID ANHYDRIDE;TRIMELLITIC ANHYDRIDE;1,2,4-Benzenetricarboxylic acid anhydride;1,2,4-Benzenetricarboxylic acid anhydride-1,2;1,2,4-Benzenetricarboxylic acid, cyclic 1,2-anhydride;1,3-Dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid;1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carboxylic acid;1,3-dioxo-5-phthalanacarboxylicaci;1,3-Dioxo-5-phthalancarboxylic acid;5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-;1,2,4-Benzenetricarboxylic anhydride (TMA);1,2,4-Benzenetricarboxylic anhydride;TMA;Trimelliticanhydride(Technical);1,3-dioxo-1,3-dihydro-isobenzofuran-5-carboxylic acid;Anhydrosepedonin;Anhydrotrimellitic acid;1,2,4-Benzenetricarboxylic anhydride,97%