Björnsson E, Schröder R, Nowak P. "一种的合成方法" [P]. European Patent, EP 3939625 A1, 2020-11-08.
发明人杨光,郭海燕,刘建华. "Method for the Synthesis of 2-Methyl-3-propyl-4H-pyrido[1,2-a]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 117086247 B, 授权公告日 2025-07-02.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2018, 2276, (7), 194-208.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2017, 1474, 2948-2953.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-3-propyl-4H-pyrido[1,2-a]pyrimidin-4-one Using HRMS and NMR". J. Agric. Food Chem., 2010, 93, (8), 450-475.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2024, 853, 8119-8136.