发明人王建平,唐晓军,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115595874 A, 授权公告日 2020-02-08.
发明人杨光,韩伟,马晓峰. "Method for the Synthesis of 5,5'-Bi-1H-benzimidazole" [P]. 中国发明专利, 专利号 CN 109221079 B, 授权公告日 2021-11-08.
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