Acetic acid (S)-2-((2R,3R,4R,5R,6S)-3-azido-4,5-bis-benzyloxy-6-bromo-tetrahydro-pyran-2-yl)-2-benzyloxy-ethyl ester

(2S,3R,4S,5R)-4-azido-2,5-dibenzyloxy-hexan-1,3,6-triol

(3S,4R,5R,6R,7S)-5-azido-3,4,7-tribenzyloxy-6,8-isopropylidenedioxyoct-1-en

Acetic acid (S)-2-benzyloxy-2-((2R,3R,4R,5R,6S)-3,6-diazido-4,5-bis-benzyloxy-tetrahydro-pyran-2-yl)-ethyl ester