(2R,3S,4S,5S,6R)-2-((2R,3S,4S,5S,6R)-2-Bromo-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-3-yloxy)-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol

((2S,3S,4S,5R,6R)-2,4,5-Tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-3-yloxy)-acetic acid