发明人徐明华,刘建华,李文辉. "Method for the Synthesis of Methyl 3-((4-methylphenyl)sulfonamido)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108832711 B, 授权公告日 2019-02-12.
发明人孙丽萍,赵玉洁,罗永刚. "A Process for Preparing High-Purity Methyl 3-((4-methylphenyl)sulfonamido)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116798350 B, 授权公告日 2022-01-02.
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