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发明人马晓峰,胡光,徐明华. "A Process for Preparing High-Purity 2,3-Dichloro-N-ethyl-N-(pyrrolidin-2-ylmethyl)benzenesulfonamide hydrochloride" [P]. 中国发明专利, 专利号 CN 108968998 B, 授权公告日 2017-01-10.
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