发明人何建平,沈红梅,郑宇鹏. "Method for the Synthesis of Afatinib Impurity Y" [P]. 中国发明专利, 专利号 CN 111915400 A, 授权公告日 2022-10-18.
发明人韩伟,朱建伟,郑宇鹏. "A Process for Preparing High-Purity Afatinib Impurity Y" [P]. 中国发明专利, 专利号 CN 114063766 A, 授权公告日 2015-03-26.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 1650, (7), 7294-7312.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2017, 617, (3), 8090-8096.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Afatinib Impurity Y Using HRMS and NMR". J. Nat. Prod., 2016, 2030, 321-334.