Chen K W, O'Brien P Q, Roberts E F. "一种的合成方法" [P]. US Patent, US 11064263 B2, 2020-10-26.
发明人郭海燕,刘建华,韩伟. "Method for the Synthesis of n-Ethyl-3-methylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 112624967 B, 授权公告日 2018-10-08.
发明人徐明华,王建平,何建平. "A Process for Preparing High-Purity n-Ethyl-3-methylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 115405304 B, 授权公告日 2023-06-20.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2012, 270, (4), 910-918.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2013, 1085, (4), 5374-5394.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of n-Ethyl-3-methylbenzenesulfonamide Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2018, 2380, (4), 3590-3617.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2017, 635, 6310-6338.