Rossi M, Martínez F, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3822672 A1, 2016-08-02.
Nowak P, Björnsson E, Nielsen H. "Method for the Synthesis of Methyl 6-chloro-5-(2-ethoxy-2-oxoethyl)-2-methylpyrimidine-4-carboxylate" [P]. European Patent, EP 3962555 A1, 2023-11-23.
Park J H, Roberts E F, Thompson G K. "A Process for Preparing High-Purity Methyl 6-chloro-5-(2-ethoxy-2-oxoethyl)-2-methylpyrimidine-4-carboxylate" [P]. US Patent, US 11641708 B2, 2019-11-18.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2021, 1203, (3), 6850-6876.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2014, 1783, 939-961.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 6-chloro-5-(2-ethoxy-2-oxoethyl)-2-methylpyrimidine-4-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2020, 2262, 6800-6818.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2014, 722, (8), 6242-6252.