发明人周伟,杨光,刘建华. "Method for the Synthesis of (S)-2-(1-Methyl-2,2,2-trifluoroethoxy)-5-methylsulfonylbenzoic acid" [P]. 中国发明专利, 专利号 CN 108409497 A, 授权公告日 2017-05-25.
发明人沈红梅,陈志强,李文辉. "A Process for Preparing High-Purity (S)-2-(1-Methyl-2,2,2-trifluoroethoxy)-5-methylsulfonylbenzoic acid" [P]. 中国发明专利, 专利号 CN 113488587 A, 授权公告日 2024-05-23.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2016, 1138, (8), 2731-2750.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2014, 2338, (5), 6164-6172.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-(1-Methyl-2,2,2-trifluoroethoxy)-5-methylsulfonylbenzoic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2020, 1687, (6), 6971-6984.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2013, 525, (12), 6903-6913.