发明人何建平,陈志强,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110145587 A, 授权公告日 2016-06-02.
发明人朱建伟,张德明,赵玉洁. "Method for the Synthesis of 5-Ethyl-2-(4-fluorophenyl)-5-(methoxycarbonyl)-1-methyl-3-pyrrolidinecarboxylic acid" [P]. 中国发明专利, 专利号 CN 116974864 A, 授权公告日 2018-04-04.
发明人罗永刚,郑宇鹏,冯建国. "A Process for Preparing High-Purity 5-Ethyl-2-(4-fluorophenyl)-5-(methoxycarbonyl)-1-methyl-3-pyrrolidinecarboxylic acid" [P]. 中国发明专利, 专利号 CN 113116550 B, 授权公告日 2023-05-14.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2016, 1525, (12), 8088-8093.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2015, 650, (5), 1524-1551.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethyl-2-(4-fluorophenyl)-5-(methoxycarbonyl)-1-methyl-3-pyrrolidinecarboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2017, 1611, (2), 1522-1536.