1. 万古霉素EP杂质B([ßAsp3]万古霉素B;万古霉素B二酸)

万古霉素EP杂质B([ßAsp3]万古霉素B;万古霉素B二酸)

Vancomycin EP Impurity B ([ß Asp3]vancomycin B ; Vancomycin B Diacid)

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