英文别名methyl 3-[(aminocarbonyl)amino]thiophene-2-carboxylate; methyl 3-(carbamoylamino)thiophene-2-carboxylate; 2-Thiophenecarboxylic acid, 3-[(aminocarbonyl)amino]-, methyl ester; methyl 3-[(aminocarbonyl)amino]-2-thiophenecarboxylate; 3-ureido-thiophene-2-carboxylic acid methyl ester