The molecule is a fenchone that has 1S,4R stereochemistry. A colourless, oily liquid found in fennel oil, it is used in perfumery and as flavour in foods. It is an enantiomer of a (1R,4S)-fenchone.
(1S,4R)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-one