(3aR,5aR,6R,9aR,9bS)-methyl 2-acetyl-3a,6,9a-trimethyl-3a,4,5,5a,6,7,8,9,9a,9b-decahydro-1H-cyclopenta[a]naphthalene-6-carboxylate

(1R,4aR,5R,6S,8aR)-methyl 6-formyl-1,4a,6-trimethyl-5-(2-(2-methyl-1,3-dioxolan-2-yl)ethyl)-decahydronaphthalene-1-carboxylate

(3aR,5aR,6R,9aR,9bS)-methyl 2-(1-acetoxyvinyl)-3a,6,9a-trimethyl-3a,4,5,5a,6,7,8,9,9a,9b-decahydro-1H-cyclopenta[a]naphthalene-6-carboxylate

(4R,4aR,6aS,11aR,11bR)-dimethyl 10-acetoxy-4,6a,11b-trimethyl-2,3,4,4a,5,6,6a,11,11a,11b-decahydro-1H-benzo[a]fluorene-4,7-dicarboxylate

(1R,4aR,5S,6S,8aR)-methyl 5-(3,4-dimethylpent-3-enyl)-6-(hydroxymethyl)-1,4a-dimethyl-decahydronaphthalene-1-carboxylate