2-Propanone, 1,1,1,3,3,3-hexafluoro-, semicarbazone 4-03-00-00179 (Beilstein Handbook Reference) 400-16-8 BRN 1797074 Hexafluoroacetone semicarbazone Hydrazinecarboxamide, 2-(2,2,2-trifluoro-1-(trifluoromethyl)ethylidene)- (9CI) NSC 402481