Acetic acid (2S,3R,4aR,5aR,8S,9R,10aS,11aR)-9-acetoxymethyl-3-benzyloxy-2-(2-benzyloxy-ethyl)-4a-ethylsulfanyl-dodecahydro-1,5,10-trioxa-cyclohepta[b]naphthalen-8-yl ester

(E)-4-[(2R,4S,5R)-5-(tert-Butyl-dimethyl-silanyloxy)-2-phenyl-[1,3]dioxan-4-yl]-but-2-enoic acid methyl ester

(2R,4aR,6S,7R,8aS)-2-Phenyl-6-vinyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-ol

(2R,4aR,6S,7R,8aS)-7-Benzyloxy-6-(2-benzyloxy-ethyl)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine

[(3S,5R,6S)-5-Benzyloxy-6-(2-benzyloxy-ethyl)-2-methylene-tetrahydro-pyran-3-yloxy]-tert-butyl-dimethyl-silane