3-[(3aS,4S,5aR,6S,7R,8aR,8bR)-6-Methoxymethoxy-2,2-dimethyl-7-(2-trityloxy-ethyl)-hexahydro-[1,3]dioxolo[4,5]furo[2,3-b]pyran-4-yl]-propionitrile

3-[(3aS,4S,5aR,6S,7R,8aR,8bR)-6-Methoxymethoxy-2,2-dimethyl-7-(2-trityloxy-ethyl)-hexahydro-[1,3]dioxolo[4,5]furo[2,3-b]pyran-4-yl]-propionaldehyde

[(2R,3S,3aS,4aS,7R,8aR,9S,9aS)-3,9-Dihydroxy-2-(2-trityloxy-ethyl)-decahydro-furo[3,2-b]pyrano[2,3-e]pyran-7-yl]-acetic acid methyl ester

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

(E)-5-[(2R,3S,3aS,5S,6R,7S,7aS)-3,6,7-Trihydroxy-2-(2-hydroxy-ethyl)-hexahydro-furo[3,2-b]pyran-5-yl]-pent-2-enoic acid methyl ester