发明人黄志刚,罗永刚,林芳. "Method for the Synthesis of 1-(3,5-Dimethylphenyl)-6-methyl-4-oxo-1,4-dihydropyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110744426 A, 授权公告日 2022-04-21.
发明人罗永刚,王建平,胡光. "A Process for Preparing High-Purity 1-(3,5-Dimethylphenyl)-6-methyl-4-oxo-1,4-dihydropyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113731940 A, 授权公告日 2024-08-15.
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