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发明人王建平,唐晓军,马晓峰. "A Process for Preparing High-Purity 2-(4,4-Difluoropiperidin-1-yl)-4-(trifluoromethyl)pyridine" [P]. 中国发明专利, 专利号 CN 114777245 B, 授权公告日 2021-07-05.
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