发明人徐明华,黄志刚,陈志强. "Method for the Synthesis of 4,4-Bis(dibenzo[b,d]furan-4-yl)-N-phenyl-4lambda5-benzenamine" [P]. 中国发明专利, 专利号 CN 108395605 B, 授权公告日 2016-10-13.
发明人冯建国,罗永刚,刘建华. "A Process for Preparing High-Purity 4,4-Bis(dibenzo[b,d]furan-4-yl)-N-phenyl-4lambda5-benzenamine" [P]. 中国发明专利, 专利号 CN 112835847 B, 授权公告日 2019-11-17.
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