(1S,5R,6S,7R,8R,9R)-5-Benzyloxy-10-methyl-11-oxa-3,10-diaza-tricyclo[7.2.1.03,7]dodecane-6,8-diol

(3R,3aR,6R,6aS)-4-Allyl-6-benzyloxy-hexahydro-furo[3,2-b]pyrrole-2,3-diol

Acetic acid (2S,3S,4R)-2-((R)-1-acetoxy-2-oxo-ethyl)-1-allyl-4-benzyloxy-pyrrolidin-3-yl ester

(2S,3S,4R)-1-Allyl-4-benzyloxy-2-((R)-2,2-bis-ethylsulfanyl-1-hydroxy-ethyl)-pyrrolidin-3-ol

(2R,3S,4R)-1-Allyl-4-benzyloxy-2-((S)-1-hydroxy-allyl)-pyrrolidin-3-ol