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发明人林芳,周伟,郭海燕. "A Process for Preparing High-Purity Methyl 3-(N-(2-chlorophenyl)sulfamoyl)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112517662 A, 授权公告日 2020-03-22.
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