发明人罗永刚,孙丽萍,刘建华. "Method for the Synthesis of 2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-2,2-difluoro-N-methylethan-1-amine" [P]. 中国发明专利, 专利号 CN 110556054 B, 授权公告日 2020-05-07.
发明人王建平,陈志强,马晓峰. "A Process for Preparing High-Purity 2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-2,2-difluoro-N-methylethan-1-amine" [P]. 中国发明专利, 专利号 CN 111249238 B, 授权公告日 2025-04-04.
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 in Pharmaceutical Formulations". J. Chromatogr. A, 2022, 307, (5), 5609-5635.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2010, 1122, (4), 7129-7141.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-2,2-difluoro-N-methylethan-1-amine Using HRMS and NMR". J. Sep. Sci., 2013, 1635, 8146-8165.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2019, 1865, (5), 8690-8701.