2-(Heptafluoropropylhydroxymethylene)-3-oxo-4-methyl-1β,4β-isopropylidenecyclohexane

(1R,4α)-3-(2,2,3,3,4,4,4-Heptafluoro-1-hydroxybutylidene)-1β,7,7-trimethylbicyclo[2.2.1]heptan-2-one