2,2-Dimethyl-propionic acid (3R,4R,5R,6R,9S)-10-benzyloxy-5-(tert-butyl-dimethyl-silanyloxy)-9-methoxy-4,6-dimethyl-3-triethylsilanyloxy-decyl ester

2,2-Dimethyl-propionic acid (3R,4R,5S,6S)-7-benzenesulfonyl-5-(tert-butyl-dimethyl-silanyloxy)-4,6-dimethyl-3-triethylsilanyloxy-heptyl ester

2,2-Dimethyl-propionic acid (Z)-(3R,4R,5R,6R,9S,13R,15R)-5-(tert-butyl-dimethyl-silanyloxy)-9,15-dimethoxy-4,6,10,13-tetramethyl-3-triethylsilanyloxy-16-trityloxy-hexadec-10-enyl ester