tert-Butyl-[(3S,9S,10R,13R,14R,17R)-17-((R)-1,5-dimethyl-hex-5-enyl)-4,4,10,13-tetramethyl-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yloxy]-dimethyl-silane

3β-hydroxy-4,4-dimethyl-(25R)-26-(tert-butyldimethylsilyloxy)cholest-5-ene

(25R)-26-chloro-4,4-dimethyl-5α-cholesta-8,14-dien-3β-ol

(25R)-26-iodo-4,4-dimethyl-5α-cholesta-8,14-dien-3β-ol

(25R)-3β-(tert-butyldimethylsilyloxy)-4,4-dimethyl-26-chloro-cholest-5,7-diene