发明人韩伟,黄志刚,徐明华. "Method for the Synthesis of Ethyl 3-(N-(3-chloro-4-methoxyphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109852374 A, 授权公告日 2019-04-12.
发明人沈红梅,王建平,孙丽萍. "A Process for Preparing High-Purity Ethyl 3-(N-(3-chloro-4-methoxyphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 113095937 A, 授权公告日 2025-03-13.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2016, 941, (6), 8748-8773.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2015, 1668, (7), 9268-9273.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-(N-(3-chloro-4-methoxyphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate Using HRMS and NMR". Food Chem., 2013, 886, (4), 9386-9398.