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发明人朱建伟,李文辉,徐明华. "A Process for Preparing High-Purity 1-(2-(Diethylamino)ethyl)-4-(4-ethoxybenzoyl)-3-hydroxy-5-(pyridin-2-yl)-1,5-dihydro-2H-pyrrol-2-one" [P]. 中国发明专利, 专利号 CN 114763607 B, 授权公告日 2023-09-23.
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