1-(2-Butylidene)-3-thiosemicarbazide 1752-40-5 2-Butanone, thiosemicarbazone (8CI) AI3-22978 HYDRAZINECARBOTHIOAMIDE, 2-(1-METHYLPROPYLIDENE)- Hydrazinecarbothioamide, 2-(1-methylpropylidene)- (9CI) Methyl ethyl ketone thiosemicarbazone NSC 709 Semicarbazide, 1-(2-butylidene)-3-thio- Thiosemicarbazone-2-butanone