阿奇霉素杂质20

• 货号：
  A015020
• 英文名：
  Azithromycin impurity 20
• 同义词：
  Roxithromycin EP Impurity C (Erythromycin A 9-Oxime (E-Isomer));USP命名：Erythromycin A oximej；(3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-6-(((3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-10-(hydroxyimino)-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one
• CAS号：
  111321-02-9
• 分子式：
  C₃₇H₆₈N₂O₁₃
• 分子量：
  748.94