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发明人王建平,冯建国,刘建华. "A Process for Preparing High-Purity 4-Oxo-6-(trifluoromethyl)-1,4-dihydroquinoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109040492 B, 授权公告日 2025-07-17.
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