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发明人李文辉,罗永刚,陈志强. "Method for the Synthesis of 2-(4-(Difluoromethyl)-2-fluoro-5-methoxypyridin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 109790688 B, 授权公告日 2022-03-02.
发明人何建平,马晓峰,刘建华. "A Process for Preparing High-Purity 2-(4-(Difluoromethyl)-2-fluoro-5-methoxypyridin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 108193456 A, 授权公告日 2025-01-12.
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