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发明人李文辉,钱学锋,马晓峰. "A Process for Preparing High-Purity 4-Hydroxy-N-(3-methoxyphenyl)-2-oxo-1-propyl-1,2-dihydroquinoline-3-carboxamide" [P]. 中国发明专利, 专利号 CN 109336513 B, 授权公告日 2024-07-07.
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