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发明人郑宇鹏,孙丽萍,张德明. "A Process for Preparing High-Purity 6-(Aminomethyl)-3-(difluoromethyl)pyridin-2-amine" [P]. 中国发明专利, 专利号 CN 110518589 A, 授权公告日 2021-04-02.
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