Park J H, Brown S R, Johnson M A. "一种的合成方法" [P]. US Patent, US 10396173 B2, 2020-01-24.
发明人周伟,沈红梅,杨光. "Method for the Synthesis of Ethyl 6-methyl-4-(((2-methylthiazol-4-yl)methyl)thio)-2-oxo-1,2-dihydropyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 112078384 B, 授权公告日 2018-01-27.
发明人黄志刚,陈志强,朱建伟. "A Process for Preparing High-Purity Ethyl 6-methyl-4-(((2-methylthiazol-4-yl)methyl)thio)-2-oxo-1,2-dihydropyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 108781428 A, 授权公告日 2016-11-11.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2014, 2089, (8), 5804-5821.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2022, 876, (10), 4772-4786.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6-methyl-4-(((2-methylthiazol-4-yl)methyl)thio)-2-oxo-1,2-dihydropyrimidine-5-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2020, 2480, 2090-2107.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2017, 2162, (3), 2928-2943.