发明人赵玉洁,钱学锋,高志强. "Method for the Synthesis of 5-Cyano-2-methyl-6-oxo-1,6-dihydropyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110402013 A, 授权公告日 2025-06-06.
发明人马晓峰,徐明华,冯建国. "A Process for Preparing High-Purity 5-Cyano-2-methyl-6-oxo-1,6-dihydropyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111280681 A, 授权公告日 2023-05-03.
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