... called C6-fluoroketone; it is also known as dodecafluoro-2-methylpentane-3-one; its ASHRAE nomenclature is FK 5-1-12 ... with the systematic name 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone and the structural formula CF3CF2C(=O ... )CF(CF3)2, a fully fluorinated analog of ethyl isopropyl ketone. Perfluoro(2-methyl-3 ...