(5S,7S)-7-benzyloxy-9-tert-(butyldimethylsilyloxy)-1-tert-butyldiphenylsilyloxy-5-[(R)-2-acetoxy-2-phenylacetoxy]-8,8-dimethylnonan-3-one

(5S,7S)-7-benzyloxy-9-tert-(butyldimethylsilyloxy)-1-tert-butyldiphenylsilyloxy-5-[(S)-2-acetoxy-2-phenylacetoxy]-8,8-dimethylnonan-3-one

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

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

(5S,7R,9S)-5-benzyloxy-11-tert-butyldimethylsilyloxy-4,4-dimethyl-7,9-dihydroxy-7,9-O-isopropylideneundec-1-yn-3-one