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发明人徐明华,杨光,周伟. "A Process for Preparing High-Purity 2-(3-(Tert-butyl)-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 110843228 B, 授权公告日 2016-11-26.
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