Sørensen M, Jørgensen K, Rossi M. "一种的合成方法" [P]. European Patent, EP 3442522 A1, 2019-11-02.
发明人张德明,李文辉,高志强. "Method for the Synthesis of 4-Cyano-2-ethyl-3-hydroxybenzenesulfonyl chloride" [P]. 中国发明专利, 专利号 CN 108097847 B, 授权公告日 2015-12-23.
发明人钱学锋,胡光,黄志刚. "A Process for Preparing High-Purity 4-Cyano-2-ethyl-3-hydroxybenzenesulfonyl chloride" [P]. 中国发明专利, 专利号 CN 113039371 B, 授权公告日 2018-04-16.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2014, 1624, (8), 9074-9094.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2020, 1624, 6627-6650.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 4-Cyano-2-ethyl-3-hydroxybenzenesulfonyl chloride Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2022, 1937, (10), 4237-4265.