[(2R,3S,5S)-5-(2-Benzyloxy-ethyl)-2-(3-[1,3]dioxolan-2-yl-propyl)-tetrahydro-furan-3-yloxy]-tert-butyl-dimethyl-silane

Phosphoric acid (2S,3aS,8aR)-2-(2-benzyloxy-ethyl)-2,3,3a,7,8,8a-hexahydro-furo[3,2-b]oxepin-5-yl ester diphenyl ester

{(2R,4aR,6S,7R,9aS)-6-[(2S,3aS,8aR)-2-(2-Benzyloxy-ethyl)-2,3,3a,7,8,8a-hexahydro-furo[3,2-b]oxepin-5-ylmethyl]-2-phenyl-hexahydro-1,3,5-trioxa-benzocyclohepten-7-yloxy}-triethyl-silane

[(2R,3S,5S)-5-(2-Benzyloxy-ethyl)-3-(tert-butyl-dimethyl-silanyloxy)-tetrahydro-furan-2-yl]-methanol

(2R,4aR,6S,7R,9aS)-6-[(2S,3aS,5R,8aR)-2-(2-Benzyloxy-ethyl)-6-trimethylsilanyloxy-2,3,3a,5,8,8a-hexahydro-furo[3,2-b]oxepin-5-ylmethyl]-2-phenyl-7-triethylsilanyloxy-hexahydro-1,3,5-trioxa-benzocycloheptene