发明人徐明华,郭海燕,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108015974 A, 授权公告日 2024-05-21.
发明人李文辉,林芳,罗永刚. "Method for the Synthesis of 4-Oxo-4-[4-(1-pyrrolidinylsulfonyl)anilino]butanoic acid" [P]. 中国发明专利, 专利号 CN 114322258 A, 授权公告日 2022-04-28.
发明人郑宇鹏,马晓峰,王建平. "A Process for Preparing High-Purity 4-Oxo-4-[4-(1-pyrrolidinylsulfonyl)anilino]butanoic acid" [P]. 中国发明专利, 专利号 CN 114014914 A, 授权公告日 2020-10-06.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2025, 600, (1), 9940-9965.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2018, 1588, (11), 5929-5950.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-Oxo-4-[4-(1-pyrrolidinylsulfonyl)anilino]butanoic acid Using HRMS and NMR". Chromatographia, 2013, 1876, 8440-8456.