发明人周伟,朱建伟,胡光. "一种谷胱甘肽EP杂质A的合成方法" [P]. 中国发明专利, 专利号 CN 117214594 A, 授权公告日 2025-08-19.
Kumar R, Yamamoto T, Davis P L. "Method for the Synthesis of Glutathione EP Impurity A" [P]. US Patent, US 11906972 B2, 2018-12-20.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 谷胱甘肽EP杂质A in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 435, (1), 8879-8888.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 谷胱甘肽EP杂质A as an Impurity". Anal. Chim. Acta, 2017, 1318, (1), 9663-9683.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Glutathione EP Impurity A Using HRMS and NMR". J. Pharm. Biomed. Anal., 2017, 2075, (3), 3853-3869.