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发明人赵玉洁,黄志刚,郑宇鹏. "A Process for Preparing High-Purity 4-Chloro-3-(1,1-difluoroethyl)-1H-pyrazolo[4,3-c]pyridine" [P]. 中国发明专利, 专利号 CN 114643718 A, 授权公告日 2018-03-24.
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