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发明人李文辉,徐明华,张德明. "A Process for Preparing High-Purity 5-([1,1'-Biphenyl]-4-yl)-5,7-dihydroindolo[2,3-b]carbazole" [P]. 中国发明专利, 专利号 CN 115157605 B, 授权公告日 2015-02-01.
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