(9ci)-5-氨基-1-甲基-1H-咪唑-4-羧酰胺

4-acetamido-1H-imidazole-5-carboxamide

methyl N-(5-carbamoyl-1H-imidazol-4-yl)carbamate

(5-carbamoyl-1(3)H-imidazol-4-yl)-carbamic acid ethyl ester

5-amino-1-benzylimidazole-4-carboxamide