(3aR,4S,5S,5aS,8R,8aS)-2,2,5,8-tetramethyldecahydrocyclopentapentalen-4-ol

7,7-dimethylbicyclo<3.3.0>-2-octen-3-one

(3aS,6aS)-5,5-Dimethyl-3a-((E)-(R)-1-methyl-3-phenylsulfanyl-allyl)-hexahydro-pentalen-2-one

(3aS,6aS)-3a-[(E)-(R)-3-((R)-Benzenesulfinyl)-1-methyl-allyl]-5,5-dimethyl-hexahydro-pentalen-2-one

(-)-(S)-7,7-dimethylbicyclo<3.3.0>-2-octen-3-one