(3aR,4S,6aS)-2,2-dimethyl-2H,3aH,4H,6aH-cyclopenta[d][1,3]-dioxol-4-ol

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

(3aR,4S,5S,6R,6aR)-6-((benzyloxy)methoxy)-4,5-dihydroxycyclopentoxazolidin-2-one

(3aS,4S,5R,6S,6aR)-6-((benzyloxy)methoxy)-4-hydroxy-5-(methylthio)cyclopentoxazolidin-2-one

(3aS,4R,5R,6R,6aR)-6-((benzyloxy)methoxy)-5-hydroxy-4-(methylthio)cyclopentoxazolidin-2-one