(1S,4R,4aS,5R,8S,8aR)-5-Allyl-8-(tert-butyl-dimethyl-silanyloxy)-1,4,4a,5,8,8a-hexahydro-1,4-methano-naphthalen-5-ol

(4S,5R)-5-allyl-4-(tert-butyldimethylsiloxy)cyclohex-2-enone

[(1R,2S,5R,6R)-6-Allyl-5-(tert-butyl-dimethyl-silanyloxy)-2-hydroxy-cyclohex-3-enyl]-acetic acid ethyl ester

[(1R,5R,6R)-6-Allyl-5-(tert-butyl-dimethyl-silanyloxy)-2-oxo-cyclohex-3-enyl]-acetic acid ethyl ester

[(1R,2S,5R,6R)-6-Allyl-5-(tert-butyl-dimethyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxy)-cyclohex-3-enyl]-acetic acid (S)-1-methyl-but-3-enyl ester