N-(2,5-dimethylanilino)formamide

N-(3-chloro-4-methylphenyl)formamide

N-(6-amino-3-methyl-2,4-dioxo-1H-pyrimidin-5-yl)formamide

4,6-二氨基-5-甲酰基氨基嘧啶

N-(4-氰基苯基)甲酰胺