4-((1aS,10aR)-10-methoxy-3a,5a-dimethylhexadecahydrocyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)pent-1-en-3-ol

ethyl (25ξ,22E)-6β-methoxy-3α,5-cyclo-5α-cholest-22-en-26-oate

(25ξ)-26-((tert-butyldiphenylsilyl)oxy)cholest-5-en-3β-yl acetate

ethyl (25ξ)-6β-methoxy-3α,5-cyclo-5α-cholestan-26-oate