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发明人徐明华,李文辉,高志强. "A Process for Preparing High-Purity 5-Amino-2-chloro-N-(4-chlorophenyl)benzene-1-sulfonamide" [P]. 中国发明专利, 专利号 CN 112338938 B, 授权公告日 2015-04-10.
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