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发明人张德明,周伟,黄志刚. "A Process for Preparing High-Purity 2-[[(6-Chloro-3-pyridinyl)methyl]amino]cyclopentanecarbonitrile" [P]. 中国发明专利, 专利号 CN 112414732 A, 授权公告日 2015-08-16.
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