(4aR,5S,6S,8aR)-6-(tert-butyldimethylsiloxy)-5,8a-dimethyl-5-(4-methylpent-3-enyl)-3,4,4a,5,6,7,8,8a-octahhydronaphthalene-2-methanol

(1R,4aR,5S,6S,8aS)-6-(tert-butyldimethylsiloxy)-5,8a-dimethyl-2-methylene-5-(4-methylpent-3-enyl)decahydronaphthalene-1-carbaldehyde

(1R,4aR,5S,6S,8aS)-6-(tert-butyldimethylsiloxy)-5,8a-dimethyl-2-methylene-5-(4-methylpent-3-enyl)-decahydronaphthalene-1-methanol

(4aS,5S,6S,8aS)-6-(tert-butyldimethylsiloxy)-5-(tert-butyldimethylsiloxypropyl)-5,8a-dimethyl-decahydronaphthalen-1-one 1-ethylene acetal

(4aR,5S,6S,8aR)-6-(tert-butyldimethylsilyloxy)-2-(tri-n-butylstannylmethoxymethyl)-5,8a-dimethyl-5-(4-methylpent-3-enyl)-3,,4,4a,5,6,7,8,8a-octahhydronaphthalene