1875-48-5 1H-Isoindole-1,3(2H)-dione, 2-amino- Hydrazine, 1,1-(1,2-phenylenedicarbonyl)- Hydrazine, 1,1-phthaloyl- N-Aminophthalimide NSC91685 Phthalhydrazide Phthalic acid, cyclic hydrazide Phthalimide, N-amino- Phthalocyclohydrazide