(1S,2S,3S,4S,5R)-4-benzylamino-5-(hydroxymethyl)-1,2-isopropylidenecyclopentane-1,2,3-triol

(1R,2S,3S,4S,5R)-1-formyloxy-2-benzyloxy-3,4-O-isopropylidene-5-iodomethyl-1,2,3,4-cyclopentane-tetrol

(1R,2R,3S,4S,5R)-1-O-mesyl-2-O-benzyl-3,4-O-isopropylidene-5-(2-O-tert-butyldimethylsilyl-hydroxyethyl)-cyclopentane-1,2,3,4-tetrol

(1R,2S,3S,4S,5S)-2-O-benzyl-3,4-O-isopropylidene-5-acetoxymethyl-1,2,3,4-cyclopentane-tetrol

(1R,5S,6S,7S,8S)-8-benzyloxy-6,7-isopropylidenedioxy-2-oxabicyclo[3.3.0]oct-3-ol