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发明人黄志刚,高志强,郑宇鹏. "A Process for Preparing High-Purity 2-Ethyl-3-methyl-1-(piperazin-1-yl)benzo[4,5]imidazo[1,2-a]pyridine-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 109099116 A, 授权公告日 2016-01-23.
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