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发明人赵玉洁,冯建国,王建平. "A Process for Preparing High-Purity 4-Oxo-2-(4-pentylphenyl)-1,4-dihydroquinoline-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113121669 A, 授权公告日 2019-11-27.
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