发明人钱学锋,高志强,杨光. "Method for the Synthesis of 5,5-Bis(9-methyl-9H-carbazol-3-yl)-5H-cyclopenta[2,1-b:3,4-b']dipyridine" [P]. 中国发明专利, 专利号 CN 108068606 B, 授权公告日 2025-05-17.
发明人高志强,唐晓军,孙丽萍. "A Process for Preparing High-Purity 5,5-Bis(9-methyl-9H-carbazol-3-yl)-5H-cyclopenta[2,1-b:3,4-b']dipyridine" [P]. 中国发明专利, 专利号 CN 113191926 A, 授权公告日 2019-09-02.
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