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发明人黄志刚,韩伟,陈志强. "A Process for Preparing High-Purity Methyl 5-bromo-1-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117806385 A, 授权公告日 2019-03-08.
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