(1S,2S,3R,4R,5S)-2-O-benzyl-5-((tert-butoxycarbonyl)amino)-1-O-(tert-butyldimethylsilyl)-3,4-O-isopropylidenecyclopentane-1,2,3,4-tetrol

(3aR,4S,5S,6S,6aS)-5,6-dihydroxy-4-(methylthio)cyclopentoxazolidin-2-one

(3aS,4R,5S,6R,6aS)-4,6-dihydroxy-5-(methylthio)cyclopentoxazolidin-2-one

(3aR,4R,5R,6R,7aS)-6-benzoxy-4,5-dihydroxycyclopentoxazolidin-5-one

(3aR,3bS,6aR,7R,7aR)-7-benzoxy-2,2-dimethyl<1,3>dioxolo<4,5-a>cyclopent<4,5-d>oxazolidin-5-one