Fischer A B, Kumar R, Mueller T. "一种的合成方法" [P]. US Patent, US 9728917 B2, 2023-09-25.
发明人韩伟,陈志强,钱学锋. "Method for the Synthesis of Ethyl 4-chloro-5-methyl-2-(morpholin-4-ylmethyl)thieno[2,3-d]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 108284346 B, 授权公告日 2018-08-03.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2016, 1988, (11), 6117-6146.
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, 2014, 171, (2), 6724-6738.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-chloro-5-methyl-2-(morpholin-4-ylmethyl)thieno[2,3-d]pyrimidine-6-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2010, 1076, (12), 595-621.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2025, 1884, 950-978.