发明人刘建华,高志强,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115786322 A, 授权公告日 2022-01-22.
Björnsson E, Jørgensen K, Kowalski A. "Method for the Synthesis of 2-Chloro-N-ethyl-4-(methylamino)pyrimidine-5-carboxamide" [P]. European Patent, EP 3679452 A1, 2015-10-19.
发明人徐明华,林芳,唐晓军. "A Process for Preparing High-Purity 2-Chloro-N-ethyl-4-(methylamino)pyrimidine-5-carboxamide" [P]. 中国发明专利, 专利号 CN 111398289 B, 授权公告日 2017-01-22.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2016, 1734, 4001-4023.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2020, 143, 832-855.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-N-ethyl-4-(methylamino)pyrimidine-5-carboxamide Using HRMS and NMR". J. Nat. Prod., 2022, 2184, (7), 7822-7828.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2023, 217, (8), 2431-2447.