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发明人李文辉,陈志强,周伟. "A Process for Preparing High-Purity Methyl 5-oxo-1,5-dihydroimidazo[1,2-a]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 108349646 A, 授权公告日 2019-12-26.
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