Pyruvaldehyde bis(N4-methylthiosemicarbazone) Methylglyoxal bis-4-methylthiosemicarbazone

Hydrazinecarbothioamide, 2,2'-(1-methyl-1,2-ethanediylidene)bis[N-methyl-Pyruvaldehyde, bis(4-methyl-3-thiosemicarbazone) Semicarbazide, 1,1'-(methylethanediylidene)bis[4-methyl-3-thio-