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

(1S,4R,4aS,7R,8S,8aR)-7-Allyl-8-(tert-butyl-dimethyl-silanyloxy)-4,4a,6,7,8,8a-hexahydro-1H-1,4-methano-naphthalen-5-one

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