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发明人韩伟,李文辉,马晓峰. "A Process for Preparing High-Purity 1-Allyl-N-(4-ethoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 110311651 A, 授权公告日 2018-12-22.
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