Toluene-4-sulfonic acid (2R,6R)-6-[(3S,9S,10R,13R,14R,17R)-3-(tert-butyl-dimethyl-silanyloxy)-4,4,10,13-tetramethyl-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-heptyl ester

(25R)-7-oxocholest-5-en-3β,26-diyl dibenzoate

(25R)-cholest-5-ene-3β,7α,26-triol 3β,26-dibenzoate

(25R)-26-(tert-butyldimethylsilyloxy)cholest-5-en-3β-ol

(25R)-26-acetoxy-3β-(tert-butyldimethylsilyloxy)cholest-5-ene