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Björnsson E, Jørgensen K, Martínez F. "Method for the Synthesis of Methyl 3-(N-(2,4-difluorophenyl)sulfamoyl)-4-fluorobenzo[b]thiophene-2-carboxylate" [P]. European Patent, EP 3290612 A1, 2023-03-16.
发明人孙丽萍,杨光,张德明. "A Process for Preparing High-Purity Methyl 3-(N-(2,4-difluorophenyl)sulfamoyl)-4-fluorobenzo[b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112726662 B, 授权公告日 2016-10-20.
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