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发明人钱学锋,朱建伟,罗永刚. "A Process for Preparing High-Purity 4,4-Difluoro-1-(3-fluoro-2-(trifluoromethyl)-phenyl)piperidine" [P]. 中国发明专利, 专利号 CN 116121921 B, 授权公告日 2023-08-14.
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