Acetic acid (E)-(S)-4-(tert-butyl-diphenyl-silanyloxy)-1-(2,2-dimethyl-3-phenylsulfanyl-propionyl)-2-(2-hydroxy-ethyl)-but-2-enyl ester

(E)-(3R,4S)-7-(tert-Butyl-diphenyl-silanyloxy)-5-[2-(4-methoxy-benzyloxy)-ethyl]-2,2-dimethyl-1-phenylsulfanyl-hept-5-ene-3,4-diol

Acetic acid (E)-(S)-4-(tert-butyl-diphenyl-silanyloxy)-1-((R)-1-hydroxy-2,2-dimethyl-3-phenylsulfanyl-propyl)-2-[2-(4-methoxy-benzyloxy)-ethyl]-but-2-enyl ester