(2R,3R,4R,4aR,7R,8aS)-3,4,7-Trihydroxy-2-hydroxymethyl-hexahydro-pyrano[3,2-b]pyridin-6-one

(S)-1-((2S,3S,4R,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-3-nitro-tetrahydro-pyran-2-yl)-3-trityloxy-propan-2-ol

[(R)-2-((2S,3S,4R,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-3-nitro-tetrahydro-pyran-2-yl)-1-hydroxymethyl-ethyl]-carbamic acid tert-butyl ester

Acetic acid (2R,3R,4R,4aS,7R,8S,9aS)-7-acetoxy-5-acetyl-3,4-bis-benzyloxy-2-benzyloxymethyl-decahydro-1-oxa-5-aza-benzocyclohepten-8-yl ester

(2R,3R,4R,4aS,7S,8aS)-3,4-Bis-benzyloxy-2-benzyloxymethyl-7-hydroxy-hexahydro-pyrano[3,2-b]pyridin-6-one