发明人刘建华,何建平,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114573584 A, 授权公告日 2020-03-02.
发明人钱学锋,王建平,黄志刚. "Method for the Synthesis of 1-(Difluoromethyl)-2-oxopyrrolidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113695464 B, 授权公告日 2025-12-18.
发明人朱建伟,马晓峰,张德明. "A Process for Preparing High-Purity 1-(Difluoromethyl)-2-oxopyrrolidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112692068 A, 授权公告日 2021-03-11.
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". Rapid Commun. Mass Spectrom., 2018, 1378, 4470-4489.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2021, 578, 29-52.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Difluoromethyl)-2-oxopyrrolidine-3-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2017, 469, 9774-9800.