Nowak P, Rossi M, Mueller T C. "Method for the Synthesis of 3-Chloro-4-(isopropylsulfonyl)-5-(methylthio)thiophene-2-carboxylic acid" [P]. European Patent, EP 3807940 A1, 2022-10-18.
发明人张德明,陈志强,沈红梅. "A Process for Preparing High-Purity 3-Chloro-4-(isopropylsulfonyl)-5-(methylthio)thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109368815 B, 授权公告日 2024-01-06.
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