9-(2-benzyloxy-ethyl)-8-(tert-butyl-dimethyl-silanyloxy)-2-hydroxymethyl-2,3,4,7,8,9-hexahydro-oxonin-3-ol

[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

3-bromo-8-(tert-butyl-dimethyl-silanyloxy)-9-[5-(tert-butyl-dimethyl-silanyl)-pent-2-en-4-ynyl]-2-ethyl-2,3,4,7,8,9-hexahydro-oxonine

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

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