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发明人刘建华,高志强,韩伟. "A Process for Preparing High-Purity 2,4-Dimethyl-6-(piperidine-4-carbonyl)-2H-benzo[b][1,4]oxazin-3(4H)-one hydrochloride" [P]. 中国发明专利, 专利号 CN 108198930 B, 授权公告日 2020-05-20.
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