发明人李文辉,孙丽萍,马晓峰. "Method for the Synthesis of (2S,4S)-5-oxo-4-(trifluoromethyl)pyrrolidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109657662 B, 授权公告日 2016-04-10.
发明人周伟,冯建国,孙丽萍. "A Process for Preparing High-Purity (2S,4S)-5-oxo-4-(trifluoromethyl)pyrrolidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111544662 B, 授权公告日 2017-11-17.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2020, 911, (2), 9621-9635.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2011, 2100, 3198-3203.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of (2S,4S)-5-oxo-4-(trifluoromethyl)pyrrolidine-2-carboxylic acid Using HRMS and NMR". Chemosphere, 2021, 1972, (10), 294-319.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2014, 1621, (7), 7467-7480.