(1S,4S,5R,8R)-4-acetamido--8-benzyloxy-3-methoxy-2,6-dioxabicyclo[3.3.0]octane

3-O-acetyl-5-azido-5-deoxy-1,2-O-isopropylidene-6-p-tolylsulfonyl-β-L-idofuranose

Trifluoro-methanesulfonic acid (3aR,3bS,6R,6aS,7aR)-2,2-dimethyl-5-oxo-hexahydro-furo[2',3':4,5]furo[2,3-d][1,3]dioxol-6-yl ester

(3aR,3bS,6S,6aS,7aR)-6-(tert-Butyl-dimethyl-silanyloxy)-2,2,5-trimethyl-hexahydro-furo[2',3':4,5]furo[2,3-d][1,3]dioxol-5-ol