Carbimazole, 2,3-Dihydro-3-methyl-2-thioxo-1H-imidazole-1-carboxylic acid ethyl ester, 1-Ethoxycarbonyl-3-methyl-2-thio-4-imidazoline, 1-Methyl-3-carbethoxy-2-thioglyoxalone, 2,3-Dihydro-3-methyl-2-thioxo-1H-imidazole-1-carboxylic acid ethyl ester, Athyromazole, Carbethoxymethimazole, Carbimazol, Ethyl 3-methyl-2-thioimidazoline-1-carboxylate