Fischer A B, Hughes D C, Johnson M A. "一种的合成方法" [P]. US Patent, US 11957322 B2, 2015-07-02.
发明人罗永刚,何建平,周伟. "Method for the Synthesis of 4-(1-Hydroxyethyl)-n,n-dimethylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 108159084 A, 授权公告日 2022-12-15.
发明人冯建国,周伟,赵玉洁. "A Process for Preparing High-Purity 4-(1-Hydroxyethyl)-n,n-dimethylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 114166823 B, 授权公告日 2016-07-06.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2015, 1390, 4976-4987.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2023, 821, (7), 6832-6854.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-(1-Hydroxyethyl)-n,n-dimethylbenzenesulfonamide Using HRMS and NMR". Environ. Sci. Technol., 2015, 1011, (12), 5789-5815.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2014, 1858, (6), 6406-6420.