Toluene-4-sulfonic acid (R)-2-(tert-butyl-dimethyl-silanyloxy)-1-((3aR,5S,6S,6aR)-6-hydroxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-ethyl ester

Toluene-4-sulfonic acid (R)-2-(tert-butyl-dimethyl-silanyloxy)-1-((3aR,5S,6S,6aR)-2,2-dimethyl-6-vinyloxy-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-ethyl ester

Toluene-4-sulfonic acid (R)-2-(tert-butyl-dimethyl-silanyloxy)-1-[(3aR,5S,6S,6aR)-2,2-dimethyl-6-((R)-4-oxo-azetidin-2-yloxy)-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl]-ethyl ester

2,3,4-tri-O-acetyl-1,6-anhydro-β-L-idopyranose

3,6-di-O-acetyl-1,2-O-isopropylidene-5-O-toluene-p-sulphonyl-α-D-glucofuranose