(E)-5-((3aS,4S,5aR,5bS,9aR,10aR,10bR)-2,2,7,7-Tetramethyl-octahydro-1,3,5,6,8,10-hexaoxa-cyclopenta[a]fluoren-4-yl)-pent-2-enoic acid methyl ester

2,2-Dimethyl-propionic acid (4S,5S)-5-((2R,3S,4S,5R)-3-benzyloxy-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl ester

(4aR,6R,7R,7aR)-6-((4S,5S)-5-Hydroxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-tetrahydro-furo[3,2-d][1,3]dioxin-7-ol

[(2R,3R,4S,5R)-4-Benzyloxy-5-((4S,5S)-2,2-dimethyl-5-trityloxymethyl-[1,3]dioxolan-4-yl)-3-(4-methoxy-benzyloxy)-tetrahydro-furan-2-ylmethoxy]-tert-butyl-diphenyl-silane

(2R,3S,3aS,4aS,7R,8aR,9S,9aS)-7-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-(2-trityloxy-ethyl)-decahydro-furo[3,2-b]pyrano[2,3-e]pyran-3,9-diol