Sell: Methyl (2R,3S,4S,5R,6R)-5-acetoxy-6-(((2R,3S,4R,5R,6S)-2- (acetoxymethyl)-4-(benzyloxy)-5-(((benzyloxy)carbonyl)amino) -6- methoxytetrahydro-2H-pyran-3-yl)oxy)-4-(benzyloxy)-3- hydroxytetrahydro-2H-py