发明人郭海燕,沈红梅,何建平. "Method for the Synthesis of 2-(6-Hydroxy-4-methoxypyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 114262069 A, 授权公告日 2020-11-27.
发明人朱建伟,陈志强,黄志刚. "A Process for Preparing High-Purity 2-(6-Hydroxy-4-methoxypyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 114871169 A, 授权公告日 2019-06-21.
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