Martínez F, Schröder R, Nowak P. "一种4-羟基-3-甲基苯磺酸的合成方法" [P]. European Patent, EP 3290539 A1, 2020-02-04.
发明人赵玉洁,罗永刚,高志强. "Method for the Synthesis of 4-Hydroxy-3-methylbenzenesulfonic Acid" [P]. 中国发明专利, 专利号 CN 111603317 B, 授权公告日 2022-11-22.
发明人冯建国,陈志强,沈红梅. "A Process for Preparing High-Purity 4-Hydroxy-3-methylbenzenesulfonic Acid" [P]. 中国发明专利, 专利号 CN 116306707 B, 授权公告日 2016-04-23.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 4-羟基-3-甲基苯磺酸 in Pharmaceutical Formulations". J. Chromatogr. A, 2024, 2474, 9577-9580.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-羟基-3-甲基苯磺酸 as an Impurity". Sci. Total Environ., 2019, 1217, (9), 7614-7628.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-Hydroxy-3-methylbenzenesulfonic Acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2025, 1393, (8), 7865-7880.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 4-羟基-3-甲基苯磺酸 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2021, 2219, (12), 238-249.