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发明人孙丽萍,高志强,黄志刚. "A Process for Preparing High-Purity 2-(4-Bromo-3-ethyl-1-methyl-1H-pyrazol-5-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 112746476 A, 授权公告日 2018-03-01.
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