(4aR,6aS,7S,11aS,11bR)-3.4a,7,11a-tetramethyl-1,4a,5,6,6a,7,8,11,11a,11b-decahydrospiro[cyclohepta[a]naphthalene-9,2'[1,3]dioxolan]-4(10H)-one

(4aR,6aS,7S,11aS,11bR)-3,4a,7,11a-tetramethyl-4-methylene-4a,5,6,6a,7,8,10,11,11a,11b-decahydro-1H-cyclohepta[a]naphthalen-9(4H)-one

(-)-(4aR,4bR,8aR,10aR)-7,7-ethylenedioxy-4b,8,8,10a-tetramethyl-3,4,4a,4b,5,6,7,8,8a,9,10,10a-dodecahydrophenanthren-1(2H)-one

(-)-(1R,4aR,4bR,8aR,10aR)-7,7-ethylenedioxy-4b,8,8,10a-tetramethyl-1,2,3,4,4a,4b,5,6,7,8,8a,9,10,10a-tetradecahydrophenanthren-1-ol

methyl 3-((1S,2S,4aR,5R,8aR)-5-hydroxy-1,4a-dimethyl-2-(prop-1-en-2-yl)decahydronaphthalen-1-yl)propanoate