Chen K W, Klinger H, Thompson G K. "Method for the Synthesis of 5-Oxo-1-(1h-pyrazol-3-yl)pyrrolidine-3-carboxylic acid" [P]. US Patent, US 11393139 B2, 2025-12-23.
发明人何建平,李文辉,唐晓军. "A Process for Preparing High-Purity 5-Oxo-1-(1h-pyrazol-3-yl)pyrrolidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112786724 B, 授权公告日 2025-11-23.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2022, 287, 9875-9902.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2015, 185, (9), 1887-1894.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 5-Oxo-1-(1h-pyrazol-3-yl)pyrrolidine-3-carboxylic acid Using HRMS and NMR". Phytochemistry, 2016, 1070, 8436-8439.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2017, 620, 6550-6573.