(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

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

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

6-chloro-9-[(1S,2R,3R)-2-hydroxy-3-(2-hydroxyethyl)cyclopent-4-en-1-yl]-9H-purine