发明人冯建国,陈志强,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116431138 A, 授权公告日 2015-12-10.
发明人孙丽萍,罗永刚,李文辉. "Method for the Synthesis of 1,3-Dimethyl-4-oxo-4H-pyrido[2,1-a]isoquinolin-2-yl acetate" [P]. 中国发明专利, 专利号 CN 110218877 B, 授权公告日 2019-02-07.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2016, 134, (7), 8643-8668.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2017, 2382, (8), 9330-9337.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1,3-Dimethyl-4-oxo-4H-pyrido[2,1-a]isoquinolin-2-yl acetate Using HRMS and NMR". J. Nat. Prod., 2020, 1897, (7), 3813-3820.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2015, 1965, 1587-1612.