[(2S,3S,4S,5R,6R)-6-(3-Amino-propoxymethyl)-4-benzyloxy-3-iodo-5-methoxy-tetrahydro-pyran-2-yloxy]-acetic acid

[(2S,4R,5S,6R)-6-(3-Azido-propoxymethyl)-4-benzyloxy-5-methoxy-tetrahydro-pyran-2-yloxy]-acetic acid methyl ester

[(2S,3S,4S,5R,6R)-6-(3-Azido-propoxymethyl)-4-benzyloxy-3-iodo-5-methoxy-tetrahydro-pyran-2-yloxy]-acetic acid methyl ester