N',N'''-(1,2-phenylenebis(methanylylidene))bis(4-methylbenzohydrazide)

N-Phthalazin-1-yl-N'-[1-p-tolyl-meth-(E)-ylidene]-hydrazine

4-methyl-N'-(phthalazin-1-yl)benzohydrazide hydrochloride

对甲苯肼

1-hydrazinophthalazine