Johnson M A, Brown S R, Davis P L. "一种的合成方法" [P]. US Patent, US 11585938 B2, 2019-01-24.
发明人郭海燕,李文辉,黄志刚. "Method for the Synthesis of 4-(Methylsulfonamido)-2-(trifluoromethyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 117257142 B, 授权公告日 2016-08-21.
发明人朱建伟,陈志强,罗永刚. "A Process for Preparing High-Purity 4-(Methylsulfonamido)-2-(trifluoromethyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 112583128 A, 授权公告日 2018-08-04.
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. Chromatogr. A, 2015, 1181, (9), 3769-3786.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2012, 2368, 5855-5865.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Methylsulfonamido)-2-(trifluoromethyl)benzoic acid Using HRMS and NMR". Chromatographia, 2017, 1944, (10), 3175-3190.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2015, 1402, (10), 8163-8171.