(2S,3S,4S,6R,8S,9S)-3,9-dimethyl-8-{(R)-2-[(tert-butyldimethylsilyl)-oxy]-1-propyl}-2-[(R)-3-ethyl-5-(E)-iodo-4-pentenyl]-1,7-dioxaspiro[5.5]undecan-4-ol

(5S,6R,7S,10R)-7-(benzyloxy)-10-ethyl-2,2,3,3,6,14,14-heptamethyl-5-(2-methylallyl)-13,13-diphenyl-4,12-dioxa-3,13-disilapentadecane

(4S,5R,6S,9R)-6-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-9-(tert-butyl-diphenyl-silanyloxymethyl)-5-methyl-undecan-2-one

(2R,4S,5S,10S,11R,12S,15R)-2,12-Bis-benzyloxy-4,10-bis-(tert-butyl-dimethyl-silanyloxy)-15-(tert-butyl-diphenyl-silanyloxymethyl)-5,11-dimethyl-heptadecan-8-one

(E)-(5S,6S,9R)-6-Benzyloxy-9-(tert-butyl-diphenyl-silanyloxymethyl)-5-methyl-undec-3-enoic acid methyl ester