发明人杨光,马晓峰,唐晓军. "一种依帕司他杂质3的合成方法" [P]. 中国发明专利, 专利号 CN 112617955 A, 授权公告日 2015-07-16.
发明人冯建国,郑宇鹏,李文辉. "Method for the Synthesis of Epalrestat Impurity 3" [P]. 中国发明专利, 专利号 CN 115896899 B, 授权公告日 2023-11-28.
发明人沈红梅,赵玉洁,徐明华. "A Process for Preparing High-Purity Epalrestat Impurity 3" [P]. 中国发明专利, 专利号 CN 114582145 A, 授权公告日 2017-01-22.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 依帕司他杂质3 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2011, 748, (1), 5669-5677.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 依帕司他杂质3 as an Impurity". Biomed. Chromatogr., 2021, 929, (11), 940-959.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Epalrestat Impurity 3 Using HRMS and NMR". Talanta, 2021, 193, 3782-3797.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate 依帕司他杂质3 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2016, 432, (8), 1661-1665.