Benzoic acid (2R,3S)-2-(2-benzyloxy-ethyl)-tetrahydro-furan-3-yl ester

3-O-benzoyl-6-O-(tert-butyldimethylsilyl)-5-deoxy-1,2-O-isopropylidene-α-D-ribo-hexofuranose

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