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发明人马晓峰,郑宇鹏,刘建华. "A Process for Preparing High-Purity 2-(4-Chloro-3-imino-2,3-dihydro-1h-pyrazol-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 117357048 A, 授权公告日 2015-06-08.
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