发明人冯建国,陈志强,张德明. "Method for the Synthesis of 2-(4-(Difluoromethyl)-6-fluoro-3-hydroxypyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 116743219 B, 授权公告日 2015-03-06.
发明人黄志刚,高志强,胡光. "A Process for Preparing High-Purity 2-(4-(Difluoromethyl)-6-fluoro-3-hydroxypyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 114208368 B, 授权公告日 2018-05-19.
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