2,3-Butanedione, oxime thiosemicarbazone 5012-80-6 Biacetyl oxime thiosemicarbazone Diacetyl monoxime thiosemicarbazone Diacetyl thiosemicarbazone oxime Diacetyloxime thiosemiicarbazone Hydrazinecarbothioamide, 2-[2-(hydroxyimino)-1-methylpropylidene]- NSC708