(3S,5R,7S)-7-benzyloxy-9-tert-butyldimethylsilyloxy-1-tert-butyldiphenylsilyloxy-8,8-dimethyl-3,5-O-isopropylidenenonane-3,5-diol

(3S,5R,7S)-7-benzyloxy-8,8-dimethyl-3,5-O-isopropylidenenonane-1,3,5,9-tetraol

(3S,5R,7S)-3-benzyloxy-9-tert-butyldimethylsilyloxy-2,2-dimethyl-5,7-O-isopropylidenenonane-1,5,7-triol

(S)-3-benzyloxy-5-(tert-butyl-dimethyl-silanyloxy)-4,4-dimethyl-pentan-1-ol