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发明人何建平,朱建伟,陈志强. "Method for the Synthesis of 4-(3-Bromo-phenyl)-3-chlorosulfonyl-5-trifluoro-methyl-thiophene-2-carboxylic acid methyl ester" [P]. 中国发明专利, 专利号 CN 114935926 B, 授权公告日 2023-11-18.
发明人马晓峰,杨光,王建平. "A Process for Preparing High-Purity 4-(3-Bromo-phenyl)-3-chlorosulfonyl-5-trifluoro-methyl-thiophene-2-carboxylic acid methyl ester" [P]. 中国发明专利, 专利号 CN 114658843 B, 授权公告日 2019-03-20.
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