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发明人何建平,钱学锋,李文辉. "A Process for Preparing High-Purity Ethyl 3-(N-(2,4-dimethoxyphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110903601 B, 授权公告日 2020-05-17.
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