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

(S)-4-{(S)-[(2S,3S,4R,5R)-3-Benzyloxy-5-(tert-butyl-diphenyl-silanyloxymethyl)-4-(4-methoxy-benzyloxy)-tetrahydro-furan-2-yl]-hydroxy-methyl}-[1,3]dioxolan-2-one

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

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

2-[2-(2R,3R,4S,5S)-4-benzyloxy-5-((1S,2S)-1,2-isopropylidenedioxy-3-trityloxypropyl)-3-(4-methoxybenzyloxy)tetrahydrofuranyl]acetonitrile