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发明人刘建华,王建平,韩伟. "A Process for Preparing High-Purity 3-Methyl-4-{[(morpholin-4-yl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 110090853 A, 授权公告日 2015-06-17.
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