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发明人陈志强,沈红梅,黄志刚. "A Process for Preparing High-Purity 4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)amino)butanoic acid" [P]. 中国发明专利, 专利号 CN 111346033 B, 授权公告日 2020-06-02.
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