(S)-5-[2-((5S,6R)-6-Isopropyl-2,2,5-trimethyl-hexahydro-benzo[1,3]dioxol-5-yl)-ethyl]-5-methyl-2-oxo-cyclohex-3-enecarboxylic acid ethyl ester

(S)-4-{2-[(1S,2S,4S,5S)-4-(tert-Butyl-dimethyl-silanyloxy)-2,6,6-trimethyl-bicyclo[3.1.1]hept-2-yl]-ethyl}-4-methyl-cyclohex-2-enone

(R)-7-[(1S,2S,4S,5S)-4-(tert-Butyl-dimethyl-silanyloxy)-2,6,6-trimethyl-bicyclo[3.1.1]hept-2-yl]-5-methyl-heptan-2-one

(4R,5R)-5-[2-((S)-1,3-Dimethyl-4-oxo-cyclohex-2-enyl)-ethyl]-4-isopropyl-5-methyl-cyclopent-1-enecarbaldehyde

Dithiocarbonic acid O-{(1S,2S,4S,5S)-4-[2-((S)-1,3-dimethyl-4-oxo-cyclohex-2-enyl)-ethyl]-4,6,6-trimethyl-bicyclo[3.1.1]hept-2-yl} ester S-methyl ester