cholest-5-ene-3β,11α,25-triol

3β-(tert-butyldimethylsiloxy)-25-hydroxycholest-5-ene-11α-yl acetate

3β-(tert-butyldimethylsiloxy)-11α,25-dihydroxy-4'-phenyl-5,8-<1,2>epi<1,2,4>triazolo-5α,8α-cholest-6-ene-3',5'-dione