Martínez F, Sørensen M, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3389703 A1, 2019-04-15.
发明人钱学锋,杨光,郑宇鹏. "Method for the Synthesis of 5-(Chlorosulfonyl)-2-hydroxy-4-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 114434254 A, 授权公告日 2020-01-21.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2022, 170, (6), 6116-6141.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2010, 2141, (12), 5793-5806.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 5-(Chlorosulfonyl)-2-hydroxy-4-methylbenzoic acid Using HRMS and NMR". Chromatographia, 2024, 1594, 441-450.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2020, 83, 4289-4315.