Toluene-4-sulfonic acid (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-ylmethyl ester

(2S,3S,4R,5R)-3-benzyloxy-5-hydroxymethyl-2-((1S,2S)-1,2-isopropylidenedioxy-3-trityloxypropyl)-4-(4-methoxybenzyloxy)tetrahydrofuran

(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

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

{(2R,3S,3aR,4aS,7R,8aS,9S,9aR)-7-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-3,9-bis-triethylsilanyloxy-decahydro-furo[3,2-b]pyrano[2,3-e]pyran-2-yl}-acetic acid