发明人唐晓军,韩伟,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110074089 A, 授权公告日 2017-12-14.
发明人胡光,沈红梅,马晓峰. "Method for the Synthesis of 2,8-Dimethyl-4H-pyrido[1,2-a]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 117737741 B, 授权公告日 2019-01-21.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2017, 1635, 9972-9998.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2016, 1102, 8550-8571.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2,8-Dimethyl-4H-pyrido[1,2-a]pyrimidin-4-one Using HRMS and NMR". Talanta, 2016, 2263, 6782-6811.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2014, 1006, (4), 2502-2523.