发明人何建平,王建平,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111215328 A, 授权公告日 2025-02-24.
发明人黄志刚,钱学锋,郑宇鹏. "Method for the Synthesis of Ethyl (3R,4S)-4-(3,4-difluorophenyl)pyrrolidine-3-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 114270144 A, 授权公告日 2022-01-01.
发明人陈志强,马晓峰,何建平. "A Process for Preparing High-Purity Ethyl (3R,4S)-4-(3,4-difluorophenyl)pyrrolidine-3-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 108076288 A, 授权公告日 2016-08-24.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2020, 1569, (8), 285-309.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2016, 1003, 7172-7179.