发明人韩伟,何建平,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114342155 A, 授权公告日 2019-07-09.
发明人何建平,王建平,韩伟. "Method for the Synthesis of Methyl 2-methoxy-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 108015405 A, 授权公告日 2016-12-27.
发明人杨光,李文辉,林芳. "A Process for Preparing High-Purity Methyl 2-methoxy-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 114730465 B, 授权公告日 2023-03-24.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2022, 1483, (5), 7258-7265.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2015, 2378, 2115-2124.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-methoxy-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2017, 1664, (7), 4405-4408.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2015, 1709, 2755-2785.