[8-bromo-2-(3-bromo-allyl)-9-ethyl-2,3,4,7,8,9-hexahydro-oxonin-3-yloxy]-tert-butyl-dimethyl-silane

6-(2-benzyloxy-1-hydroxy-ethyl)-2,2-dimethyl-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-7-ol

2-[8-bromo-3-(tert-butyl-dimethyl-silanyloxy)-9-ethyl-2,3,4,7,8,9-hexahydro-oxonin-2-yl]-ethanol

6-[2-benzyloxy-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2,2-dimethyl-4a,6,9,10,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-9-ol

4-[6-(3-benzyloxymethyl-oxiranyl)-1-(4-methoxy-benzyloxy)-hex-4-ynyl]-2,2-dimethyl-[1,3]dioxolane

methanesulfonic acid 1-[2-benzyloxy-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-7-(2,2-dimethyl-[1,3]dioxolan-4-yl)-7-(4-methoxy-benzyloxy)-hept-3-ynyl ester

[6-(2-benzyloxy-1-bromo-ethyl)-2,2-dimethyl-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononen-7-yloxy]-tert-butyl-dimethyl-silane