发明人张德明,韩伟,周伟. "Method for the Synthesis of 2-(2,4-Dimethylphenyl)-4-oxo-1,4-dihydroquinoline-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113070260 A, 授权公告日 2019-05-10.
发明人马晓峰,沈红梅,黄志刚. "A Process for Preparing High-Purity 2-(2,4-Dimethylphenyl)-4-oxo-1,4-dihydroquinoline-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111562267 A, 授权公告日 2024-04-21.
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