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发明人朱建伟,何建平,沈红梅. "A Process for Preparing High-Purity N'-[4-(4-Bromo-1-ethyl-1H-pyrazol-3-yl)phenyl]-N,N-dimethylurea" [P]. 中国发明专利, 专利号 CN 113677584 A, 授权公告日 2018-10-26.
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