英文别名1-Hydrazinophthalazin-4-one; 1(2H)-Phthalazinone, 4-hydrazinyl-; Dihydralazine Impurity 4; Dihydralazine impurity 6; 4-hydrazinyl-2H-phthalazin-1-one; 4-Hydrazino-phthalazon; 4-hydrazino-2H-phthalazin-1-one; 4-Hydrazino-2H-phthalazin-1-on; 4-hydrazinophthalazin-1-one 
