(4R,5R,7S,8S,12R)-4-Benzyloxy-1-(tert-butyl-diphenyl-silanyloxy)-5-isopropyl-15,15-dimethoxy-8,12-dimethyl-pentadecan-7-ol

(4R,5R,8S,12R)-6-Benzenesulfonyl-4-benzyloxy-1-(tert-butyl-diphenyl-silanyloxy)-5-isopropyl-15,15-dimethoxy-8,12-dimethyl-pentadecan-7-ol