发明人周伟,赵玉洁,王建平. "Method for the Synthesis of Azithromycin EP Impurity A" [P]. 中国发明专利, 专利号 CN 116489926 A, 授权公告日 2024-07-01.
发明人沈红梅,周伟,徐明华. "A Process for Preparing High-Purity Azithromycin EP Impurity A" [P]. 中国发明专利, 专利号 CN 110344883 A, 授权公告日 2025-09-11.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 阿奇霉素EP杂质A in Pharmaceutical Formulations". Molecules, 2019, 1278, 1975-1992.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿奇霉素EP杂质A as an Impurity". Biomed. Chromatogr., 2014, 2402, (4), 2652-2662.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Azithromycin EP Impurity A Using HRMS and NMR". Chemosphere, 2019, 1155, (12), 1985-2013.