发明人冯建国,李文辉,刘建华. "Method for the Synthesis of 6,7-Dimethylquinoline-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114491295 B, 授权公告日 2019-01-05.
发明人张德明,陈志强,高志强. "A Process for Preparing High-Purity 6,7-Dimethylquinoline-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116661042 B, 授权公告日 2021-08-22.
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