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发明人黄志刚,李文辉,高志强. "A Process for Preparing High-Purity 1-(5-Chloro-6-methoxypyridazin-3-yl)ethan-1-one" [P]. 中国发明专利, 专利号 CN 112525896 A, 授权公告日 2017-11-07.
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