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发明人王建平,胡光,罗永刚. "Method for the Synthesis of 2-(Difluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116077892 A, 授权公告日 2020-11-14.
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