[(2S,3R,4R,5R,6R)-4-Benzyloxy-6-(tert-butoxycarbonylamino-methyl)-5-hydroxy-2-methoxy-tetrahydro-pyran-3-yl]-carbamic acid benzyl ester

((2S,3R,4R,5R,6R)-6-Azidomethyl-4-benzyloxy-5-hydroxy-2-methoxy-tetrahydro-pyran-3-yl)-carbamic acid benzyl ester

((2R,4aR,6S,7R,8R,8aS)-8-Benzyloxy-6-methoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl)-carbamic acid benzyl ester

[(2S,3R,4S,6S)-4-Benzyloxy-6-(tert-butoxycarbonylamino-methyl)-2-methoxy-tetrahydro-pyran-3-yl]-carbamic acid benzyl ester