发明人胡光,王建平,赵玉洁. "Method for the Synthesis of Ethyl 3-(N-(3,5-dimethoxyphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114433684 A, 授权公告日 2021-04-06.
发明人沈红梅,冯建国,黄志刚. "A Process for Preparing High-Purity Ethyl 3-(N-(3,5-dimethoxyphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111336874 A, 授权公告日 2019-10-21.
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