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发明人郭海燕,陈志强,沈红梅. "A Process for Preparing High-Purity 6-Chloro-5-(difluoromethyl)-3-(trifluoromethyl)pyridin-2-ol" [P]. 中国发明专利, 专利号 CN 110106876 A, 授权公告日 2016-02-20.
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