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发明人刘建华,胡光,钱学锋. "A Process for Preparing High-Purity N,1-Dimethyl-2-oxo-N-phenyl-1,2-dihydroquinoline-3-carboxamide" [P]. 中国发明专利, 专利号 CN 117683523 A, 授权公告日 2015-01-09.
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