(3aS,3bR,6aR,7S,7aS)-7-((benzyloxy)methoxy)-2,2-dimethyl<1,3>dioxolo<4,5-d>cyclopent<4,5-d>oxazolidin-5-one

(3aR,3bR,6aR,7S,7aR)-7-hydroxy-2,2-dimethyl<1,3>dioxolo<4,5-d>cyclopent<4,5-d>oxazolidin-5-one

(1R,2S,3S,4S,5R)-1-O-acetyl-2-O-benzyl-5-iodo-3,4-O-isopropylidenecyclopentane-1,2,3,4-tetrol