(R)-3-((1aR,3aR,3bS,5aR,6R,8aS,8bR,10R,10aR)-5a-(((tert-butyldimethylsilyl)oxy)methyl)-10-methoxy-3a-methyl-7-oxohexadecahydrocyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)butanoic acid

(S)-1-((1aR,3aR,3bS,5aS,6S,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethylhexadecahydrocyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)ethan-1-ol

(1S,3aR,5aS,5bR,7aR,8aR,9R,10aR,10bS,12aS)-9-methoxy-1,5b-dimethylhexadecahydro-3H-cyclopropa[1',7a']indeno[5',4':4,5]indeno[1,7a-c]furan-1-ol

methyl (R)-3-((1aR,3aR,3bS,5aR,8aS,8bR,10R,10aR)-5a-(((tert-butyldimethylsilyl)oxy)methyl)-10-methoxy-3a-methyl-1,1a,2,3,3a,3b,4,5,5a,8,8a,8b,9,10-tetradecahydrocyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)butanoate