发明人张德明,李文辉,高志强. "Method for the Synthesis of 1-Isopropyl-5,8-dimethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113491684 B, 授权公告日 2021-08-15.
Yamamoto T, Williams B T, Thompson G K. "A Process for Preparing High-Purity 1-Isopropyl-5,8-dimethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid" [P]. US Patent, US 9875192 B2, 2022-05-02.
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