1-methyl-3-(thiophene-2-carbonylamino)thiourea 1,2-Dimethyl 4-oxocyclopentane-1,2-dicarboxylate 2-Thiophenecarboxylic acid, 2-[(methylamino)thioxomethyl]hydrazide KM02894 N-Methyl-2-(2-thienylcarbonyl)hydrazinecarbothioamide N-Methyl-2-(2-thienylcarbonyl)hydrazinecarbothioamide; . N-methyl-2-(thiophene-2-carbonyl)hydrazine-1-carbothioamide N-Methyl-2-(thiophene-2-carbonyl)hydrazinecarbothioamide