Lefèvre J P, Sørensen M, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3827300 A1, 2019-05-02.
发明人李文辉,郑宇鹏,马晓峰. "Method for the Synthesis of 2-(4-Benzyl-3-methyl-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)-6-oxo-1,6-dihydropyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109027201 A, 授权公告日 2022-02-07.
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., 2021, 2181, (12), 4592-4595.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2025, 1359, 999-1022.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Benzyl-3-methyl-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)-6-oxo-1,6-dihydropyrimidine-5-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2011, 1416, 5254-5279.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2023, 660, (8), 419-437.