SMILES: C[C@]12CC[C@H](C1)C(C2=O)(C)C
Description: 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.