Azithromycin Impurity 3 Sodium Salt

Chemical Name: sodium (2R,3S,4S,5R,6R,8R)-5-(((2S,3R,4S)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-6-hydroxy-3-(((2R,4R,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,4,6,8-tetramethyl-9-(methyl((2R,3R,4R,5R)-3,4,5-trihydroxy-4-methylheptan-2-yl)amino)nonanoate