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发明人沈红梅,赵玉洁,刘建华. "A Process for Preparing High-Purity 3-Chloro-4-oxo-3,4-dihydroquinoline-6-carbonitrile" [P]. 中国发明专利, 专利号 CN 109196101 A, 授权公告日 2016-03-13.
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