发明人何建平,胡光,沈红梅. "Method for the Synthesis of 4-Hydroxy-1,6-dimethyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115728179 B, 授权公告日 2018-11-04.
发明人郑宇鹏,李文辉,朱建伟. "A Process for Preparing High-Purity 4-Hydroxy-1,6-dimethyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116683031 B, 授权公告日 2017-08-18.
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