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发明人李文辉,黄志刚,杨光. "A Process for Preparing High-Purity (1R,3S,4R)-2-(tert-butoxycarbonyl)-5,5-difluoro-2-azabicyclo[2.2.2]Octane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116389488 B, 授权公告日 2020-12-27.
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