Martínez F, Jørgensen K, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3050816 A1, 2022-09-21.
Anderson J P, Williams B T, Mueller T. "Method for the Synthesis of 5-Ethyl-6-methyl-2-(piperidin-1-yl)pyrimidin-4(1H)-one" [P]. US Patent, US 11209315 B2, 2022-11-26.
发明人周伟,杨光,何建平. "A Process for Preparing High-Purity 5-Ethyl-6-methyl-2-(piperidin-1-yl)pyrimidin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 110469855 A, 授权公告日 2020-08-21.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2015, 584, (5), 6879-6899.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2023, 1830, 8698-8724.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethyl-6-methyl-2-(piperidin-1-yl)pyrimidin-4(1H)-one Using HRMS and NMR". Environ. Sci. Technol., 2013, 214, 9956-9974.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2020, 2209, (10), 6591-6616.