2,2-Dimethyl-propionic acid (Z)-3-{(4R,5S,6S)-6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2,2,5-trimethyl-[1,3]dioxan-4-yl}-but-2-enyl ester

(Z)-(5R,6S)-8-(tert-Butyl-dimethyl-silanyloxy)-1-(tert-butyl-diphenyl-silanyloxy)-3,5-dimethyl-6-trimethylsilanyloxy-oct-2-en-4-ol

(Z)-(3S,4S,5R)-1-(tert-Butyl-dimethyl-silanyloxy)-8-(tert-butyl-diphenyl-silanyloxy)-4,6-dimethyl-oct-6-ene-3,5-diol

(Z)-(3S,4S)-1-(tert-Butyl-dimethyl-silanyloxy)-8-(tert-butyl-diphenyl-silanyloxy)-4,6-dimethyl-oct-6-ene-3,5-diol

(Z)-3-{(4R,5S,6S)-6-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2,2,5-trimethyl-[1,3]dioxan-4-yl}-but-2-en-1-ol