发明人孙丽萍,赵玉洁,黄志刚. "Method for the Synthesis of Ethyl 3-fluoro-4-methyl-4-(trifluoromethyl)pyrrolidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110099310 B, 授权公告日 2015-04-02.
发明人王建平,孙丽萍,韩伟. "A Process for Preparing High-Purity Ethyl 3-fluoro-4-methyl-4-(trifluoromethyl)pyrrolidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111725661 B, 授权公告日 2018-07-26.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2020, 505, 9080-9085.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2014, 2088, (7), 2247-2263.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-fluoro-4-methyl-4-(trifluoromethyl)pyrrolidine-3-carboxylate Using HRMS and NMR". Anal. Chem., 2013, 2457, (6), 9997-10013.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2011, 1316, 7062-7078.