(2S,3S,4S,5R)-1,2-O-isopropylidene-3,6-anhydro-4-O-benzyl-D-galactitol

(2S,3S,4S,5R)-1,2-O-isopropylidine-3,6-anhydro-4-O-benzyl-5-O-methane-sulfonyl-D-galactitol

2,5-anhydro-4-azido-3-O-benzyl-4-deoxy-L-arabinose diethyl acetal

2,5-anhydro-3-O-benzyl-D-xylose diethyl acetal

(2R,3S,4S)-4-azido-2-dimethoxymethyl-3-benzyloxytetrahydrofuran