发明人周伟,张德明,王建平. "Method for the Synthesis of 2-(6-Chloro-4-(difluoromethyl)-5-methoxypyridin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 112206130 A, 授权公告日 2018-11-14.
发明人黄志刚,冯建国,马晓峰. "A Process for Preparing High-Purity 2-(6-Chloro-4-(difluoromethyl)-5-methoxypyridin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 116257686 A, 授权公告日 2018-07-03.
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