1-(2-Butylidene)-3-thiosemicarbazide 1752-40-5 2-Butanone, thiosemicarbazone Hydrazinecarbothioamide, 2-(1-methylpropylidene)- Methyl ethyl ketone thiosemicarbazone NSC709 Semicarbazide, 1-(2-butylidene)-3-thio- Thiosemicarbazone-2-butanone WLN: SUYZMNUY2&1