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发明人周伟,李文辉,黄志刚. "A Process for Preparing High-Purity N,N-Dimethyl-1-(3-(trifluoromethyl)-pyridin-2-yl)piperidin-4-amine" [P]. 中国发明专利, 专利号 CN 108246705 B, 授权公告日 2018-05-28.
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