发明人唐晓军,杨光,马晓峰. "Method for the Synthesis of Ethyl 3-(N-(2,5-dimethoxyphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109100097 A, 授权公告日 2023-03-01.
发明人朱建伟,张德明,孙丽萍. "A Process for Preparing High-Purity Ethyl 3-(N-(2,5-dimethoxyphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111474012 B, 授权公告日 2022-11-11.
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