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发明人徐明华,林芳,黄志刚. "Method for the Synthesis of 9,9-Dimethyl-N-(4-(9-phenyl-9H-carbazol-3-yl)phenyl)-9H-fluoren-2-amine" [P]. 中国发明专利, 专利号 CN 110340316 B, 授权公告日 2022-02-21.
发明人李文辉,唐晓军,王建平. "A Process for Preparing High-Purity 9,9-Dimethyl-N-(4-(9-phenyl-9H-carbazol-3-yl)phenyl)-9H-fluoren-2-amine" [P]. 中国发明专利, 专利号 CN 117288710 A, 授权公告日 2022-02-19.
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