发明人马晓峰,何建平,张德明. "Method for the Synthesis of 5-Methoxy-2-oxo-1,2-dihydropyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112458276 B, 授权公告日 2018-06-16.
发明人徐明华,陈志强,黄志刚. "A Process for Preparing High-Purity 5-Methoxy-2-oxo-1,2-dihydropyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114067175 B, 授权公告日 2018-11-24.
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