[(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

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

(1S,4R,4aS,8S,8aR)-8-(tert-Butyl-dimethyl-silanyloxy)-4,4a,8,8a-tetrahydro-1H-1,4-methano-naphthalen-5-one

(4S,4aR,8S,12aR)-4-(tert-Butyl-diphenyl-silanyloxy)-8-methyl-decahydro-7-oxa-benzocyclodecene-1,6-dione

(3E,5S,6Z,14S)-5-[(1,1-dimethylethyl)diphenylsilyloxy]-14-methyloxacyclotetradeca-3,6-diene-2,8-dione