(+)-(4aS,8R,8aR,10aR)-(4aβ,8β,8aβ,10aα)-8-acetoxy-3,4,4a,6,7,8,8a,9,10,10a-decahydro-1,1,4a,8a-tetramethylphenanthrene-2(1H)-one

(4aS,8aS,10aR)-1,1,4a,8a-Tetramethyl-2,6-dioxo-1,2,3,4,4a,6,8a,9,10,10a-decahydro-phenanthrene-3-carbonitrile

(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

trimethyl{[(4'aR,4'bR,8'aR,10'aR)-1',1',4'a,7',8'a-pentamethyl-3',4',4'a,4'b,5',6',8'a,9',10',10'a-decahydro-1'H-spiro[1,3-dioxolane-2,2'-phenanthrene]-8'-yl]oxy}silane