发明人罗永刚,周伟,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116165883 A, 授权公告日 2022-12-14.
发明人刘建华,马晓峰,唐晓军. "Method for the Synthesis of 2-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 117753462 A, 授权公告日 2018-05-23.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2016, 1515, (9), 8206-8214.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2019, 908, (7), 2406-2414.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl)acetic acid Using HRMS and NMR". Biomed. Chromatogr., 2025, 2023, (7), 44-64.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2017, 161, (8), 4431-4442.