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发明人周伟,李文辉,郑宇鹏. "A Process for Preparing High-Purity 2,2-Difluoro-1-(4-methylpiperazin-1-yl)-2-(3-(trifluoromethyl)phenoxy)ethan-1-one" [P]. 中国发明专利, 专利号 CN 109344943 A, 授权公告日 2019-03-04.
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