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发明人钱学锋,周伟,刘建华. "A Process for Preparing High-Purity (4,5-Dichloro-2-hydroxyphenyl)(1H-pyrazol-4-yl)methanone" [P]. 中国发明专利, 专利号 CN 108619428 A, 授权公告日 2019-06-10.
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