1,2-Benzenedicarboximide 1,3-Isoindoledione 1,3-Isoindolinedione 1H-Isoindole-1,3(2H)-dione 2-Diazoindan-1,3-dione 85-41-6 Benzoimide Isoindole-1,3-dione NSC3108 Phthalimide WLN: T56 BVMVJ o-Phthalic imide