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发明人刘建华,孙丽萍,黄志刚. "A Process for Preparing High-Purity 4-Bromo-1-(1,1-difluoroethyl)-2-fluorobenzene" [P]. 中国发明专利, 专利号 CN 109718000 B, 授权公告日 2019-06-28.
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