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发明人赵玉洁,郑宇鹏,钱学锋. "Method for the Synthesis of 6-Fluoro-1-(methylamino)-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114369523 A, 授权公告日 2025-09-01.
发明人孙丽萍,胡光,李文辉. "A Process for Preparing High-Purity 6-Fluoro-1-(methylamino)-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114826876 A, 授权公告日 2022-01-04.
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