(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)butan-1-ol

(1aR,3aR,3bS,5aR,6R,7R,8aS,8bR,10R,10aR)-5a-(((tert-butyldimethylsilyl)oxy)methyl)-6-((R)-4-hydroxybutan-2-yl)-10-methoxy-3a-methylhexadecahydrocyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-7-ol

methyl (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)butanoate

(2R,2aR,3aR,5aR,5bS,7aR,7bR,8S,11aS,12aS,12bR,Z)-7a-(((tert-butyldimethylsilyl)oxy)methyl)-2-methoxy-5a,8-dimethyl-9-(2-methylpropylidene)octadecahydro-10H-cyclopropa[1',7a']indeno[5',4':4,5]indeno[2,1-b]pyran-10-one

(3S,4S,5S,5aR,6S,7aS,7bR,11S,13aR,13bS,15aR)-5,13a-dimethyl-4-(2-methylprop-1-en-1-yl)-4,5,5a,6,7,7a,7b,8,10,11,12,13,13a,13b,14,15-hexadecahydro-1H,3H-3,6-epoxynaphtho[2',1':4,5]indeno[7a,1-c]oxepin-11-ol