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

(1R,2R,3R,4S)-1-bromo-3,4-O-isopropylidene-5-methylenecyclopentane-2,3,4-triol

(1R,2R,3S,4S,5R)-1-bromo-2-O-(N-benzylcarbamoyl)-5-(hydroxymethyl)-3,4-O-isopropylidenecyclopentane-2,3,4-triol

(1R,2R,3S,4S)-1-bromo-2-O-(N-benzylcarbamoyl)-3,4-O-isopropylidene-5-methylenecyclopentane-2,3,4-triol

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

(2R,3R,4S,5R)-2,3-O-isopropylidene-2,3-dihydroxy-4,5-epoxycyclopentanone

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

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

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

(2S,3S,4S,5R)-1-methylene-2,3-O-isopropylidene-2,3-dihydroxy-4,5-epoxycyclopentane

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

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

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

(1S,2S,3S,4S,5S)-4-N-benzyl-5-acetoxymethyl-7,8-isopropylidenedioxy-2-oxa-4-azabicyclo[3.3.0]oct-3-one

(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-acetoxymethyl-1,2,3,4-cyclopentane-tetrol

(1R,5R,8R)-8-Hydroxy-2-oxabicyclo[3.3.0]oct-6-en-3-one

(1S,2S,3S,4S,5R)-4-benzylamino-3-O-4-N-(oxomethylidene)-1,2-O-isopropylidene-5-((tert-butyl-dimethylsilyloxy)methyl)cyclopentane-1,2,3-triol