4-((2S,3S,4S,5R,6R)-4,5-Bis-benzyloxy-3-bromo-2-hydroxy-6-methyl-tetrahydro-pyran-2-yl)-3-methoxy-benzoic acid

(3S,4S,5R,6R)-4,5-Bis-benzyloxy-3-bromo-6-methyl-tetrahydro-pyran-2-one