(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-carbaldehyde

(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

3-[(1R,4aR,5S,6S,8aR)-6-(tert-butyldimethylsiloxy)-5,8a-dimethyl-2-methylene-5-(4-methylpent-3-enyl)-decahydronaphthalen-1-yl]methyl-5,6-dimethyl-2-methoxy-4H-pyran-4-one