[(4S,5R,6S)-4-Azido-5,6-bis-benzyloxy-7-(tert-butyl-dimethyl-silanyloxy)-heptyl]-benzyl-carbamic acid tert-butyl ester

7-tert-butoxycarbonylamino-1,2-O-isopropylidene-5,6,7-trideoxy-α-D-xylo-heptofuranose

Benzyl-((4S,5R,6S)-5,6-bis-benzyloxy-4-tert-butoxycarbonylamino-7-hydroxy-heptyl)-carbamic acid tert-butyl ester

Benzyl-[(4S,5R,6S)-5,6-bis-benzyloxy-4-tert-butoxycarbonylamino-7-(tert-butyl-dimethyl-silanyloxy)-heptyl]-carbamic acid tert-butyl ester

[3-((3aR,5R,6aS)-2,2-Dimethyl-6-oxo-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-propyl]-carbamic acid tert-butyl ester