Trifluoro-methanesulfonic acid (3aR,5S,6S,6aR)-6-azido-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-ylmethyl ester

3-azido-3-deoxy-1,2-O-isopropylidene-α-D-ribofuranose

1,2-O-isopropylidene-5-O-(tert-butyl)dimethylsilyl-α-D-ribofuranoside

Trifluoro-methanesulfonic acid (3aR,5R,6R,6aR)-5-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-6-yl ester

((3aR,5S,6S,6aR)-6-Azido-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-ylmethoxy)-tert-butyl-dimethyl-silane