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发明人周伟,黄志刚,王建平. "A Process for Preparing High-Purity 7-Bromo-4-chloro-1-(2,2-difluoroethyl)-1H-indazol-3-amine" [P]. 中国发明专利, 专利号 CN 115097069 A, 授权公告日 2023-06-06.
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