发明人罗永刚,马晓峰,陈志强. "Method for the Synthesis of Methyl 5-bromo-4-(N,N-diethylsulfamoyl)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109554072 B, 授权公告日 2018-06-04.
发明人何建平,郭海燕,钱学锋. "A Process for Preparing High-Purity Methyl 5-bromo-4-(N,N-diethylsulfamoyl)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112127911 B, 授权公告日 2019-04-14.
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