发明人何建平,赵玉洁,郭海燕. "Method for the Synthesis of 3-Hydroxy-2-methylisonicotinic acid" [P]. 中国发明专利, 专利号 CN 108056912 A, 授权公告日 2016-04-02.
发明人郭海燕,沈红梅,陈志强. "A Process for Preparing High-Purity 3-Hydroxy-2-methylisonicotinic acid" [P]. 中国发明专利, 专利号 CN 112698732 A, 授权公告日 2024-12-02.
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