Schröder R, Jørgensen K, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3035832 A1, 2017-12-08.
发明人陈志强,胡光,杨光. "Method for the Synthesis of Ethyl 6-methyl-2-oxo-1,2-dihydropyrimidine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 109638248 B, 授权公告日 2018-02-21.
发明人赵玉洁,王建平,何建平. "A Process for Preparing High-Purity Ethyl 6-methyl-2-oxo-1,2-dihydropyrimidine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 112506026 B, 授权公告日 2018-10-14.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2021, 274, (8), 8195-8209.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2012, 1337, (10), 349-376.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6-methyl-2-oxo-1,2-dihydropyrimidine-4-carboxylate Using HRMS and NMR". J. Sep. Sci., 2018, 1302, 7423-7433.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2016, 2379, (9), 6980-6986.