发明人韩伟,孙丽萍,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108658272 A, 授权公告日 2022-07-07.
发明人胡光,朱建伟,唐晓军. "Method for the Synthesis of 3-Chloro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 114739878 A, 授权公告日 2017-04-15.
Rossi M, Sørensen M, Kowalski A. "A Process for Preparing High-Purity 3-Chloro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one" [P]. European Patent, EP 3922567 A1, 2016-02-23.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2012, 1573, (1), 1040-1060.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2019, 966, 2471-2491.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 3-Chloro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2014, 1429, (5), 1061-1089.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2020, 228, (6), 2646-2658.