发明人何建平,孙丽萍,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113827437 A, 授权公告日 2016-01-23.
发明人朱建伟,沈红梅,胡光. "Method for the Synthesis of Ethyl 4-((6-chloro-2-methylpyrimidin-4-yl)amino)butanoate" [P]. 中国发明专利, 专利号 CN 110952502 B, 授权公告日 2019-04-27.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2024, 188, (5), 6314-6332.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 1385, 6100-6123.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-((6-chloro-2-methylpyrimidin-4-yl)amino)butanoate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 143, 2081-2098.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2013, 298, 2181-2185.