发明人林芳,李文辉,张德明. "Method for the Synthesis of 4-Methanesulfonamido-2-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 114713238 B, 授权公告日 2016-07-27.
发明人杨光,胡光,王建平. "A Process for Preparing High-Purity 4-Methanesulfonamido-2-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 113240330 A, 授权公告日 2024-02-27.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2022, 131, 373-387.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2013, 1213, (11), 8595-8617.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methanesulfonamido-2-methylbenzoic acid Using HRMS and NMR". Chromatographia, 2024, 885, 3922-3944.