6-chloro-1-hydrazino-4-phenylphthalazine
8-Chloro-6-phenyl-3-pyrrolidin-1-yl-[1,2,4]triazolo[3,4-a]phthalazine
8-chloro-3-(3-chlorophenyl)-6-phenyl-1,2,4-triazolo[3,4-a]phthalazine
8-chloro-6-phenyl-3-pyrrolidinomethyl-1,2,4-triazolo<3,4-a>phthalazine
3-carbethoxy-8-chloro-6-phenyl-1,2,4-triazolo[3,4-a]phthalazine