3-acetoxy-4'-phenyl-[1,2,4]triazolo[1',2':6,7](6,7-diaza-5,8-etheno-cholest-24-ene)-3',5'-dione

triphenyl(propan-2-ylidene)-λ⁵-phosphane

3β-Hydroxychola-5,7-dien-24-al

cholesta-5,7-diene-3β,25-diole 3β-acetate

3-acetoxy-25-hydroxy-2'-phenyl-[1,2,4]triazolo[1',2':6,7](6,7-diaza-5,8-etheno-cholestane)-3',5'-dione