发明人杨光,何建平,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116509233 A, 授权公告日 2017-05-23.
Johnson M A, Roberts E F, Fischer A B. "Method for the Synthesis of 6-Methyl-2H-pyrido[1,2-a]pyrimidin-2-one" [P]. US Patent, US 11220492 B2, 2019-04-25.
发明人刘建华,郭海燕,林芳. "A Process for Preparing High-Purity 6-Methyl-2H-pyrido[1,2-a]pyrimidin-2-one" [P]. 中国发明专利, 专利号 CN 117078532 A, 授权公告日 2021-12-12.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2024, 2126, (1), 5271-5296.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2017, 1828, (4), 2873-2897.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 6-Methyl-2H-pyrido[1,2-a]pyrimidin-2-one Using HRMS and NMR". J. Chromatogr. A, 2018, 192, (4), 5184-5196.