4,6-二苯基-2-氨基嘧啶

4-(hydrazinylmethylideneamino)-4-oxobutanoic acid

1-(diaminomethylidene)-3-(2,6-dimethylphenyl)urea

1-(2-chloro-6-methylphenyl)-3-(hydrazinylmethylidene)urea

N-(氨基亚胺甲基)-N'-(2,6-二乙基苯基)脲