发明人韩伟,郑宇鹏,胡光. "一种4-羟基-2-甲基苯磺酸铵盐的合成方法" [P]. 中国发明专利, 专利号 CN 110908919 A, 授权公告日 2023-11-04.
发明人王建平,冯建国,李文辉. "Method for the Synthesis of 4-hydroxy-2-methylbenzenesulfonic acid ammonium salt" [P]. 中国发明专利, 专利号 CN 110957884 A, 授权公告日 2020-01-25.
发明人周伟,孙丽萍,钱学锋. "A Process for Preparing High-Purity 4-hydroxy-2-methylbenzenesulfonic acid ammonium salt" [P]. 中国发明专利, 专利号 CN 109978894 B, 授权公告日 2019-08-23.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of 4-羟基-2-甲基苯磺酸铵盐 in Pharmaceutical Formulations". J. Sep. Sci., 2017, 1107, (12), 5582-5608.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-羟基-2-甲基苯磺酸铵盐 as an Impurity". Rapid Commun. Mass Spectrom., 2010, 224, (3), 2609-2639.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-hydroxy-2-methylbenzenesulfonic acid ammonium salt Using HRMS and NMR". Sci. Total Environ., 2014, 2144, 7013-7038.