发明人周伟,何建平,徐明华. "一种阿法替尼杂质50的合成方法" [P]. 中国发明专利, 专利号 CN 113865303 A, 授权公告日 2024-04-18.
Björnsson E, Schröder R, Nielsen H. "Method for the Synthesis of Afatinib Impurity 50" [P]. European Patent, EP 3044493 A1, 2016-10-02.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of 阿法替尼杂质50 in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 1563, 3715-3738.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿法替尼杂质50 as an Impurity". Environ. Sci. Technol., 2015, 2093, 3582-3593.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Afatinib Impurity 50 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2015, 2063, (11), 5445-5460.