发明人李文辉,刘建华,钱学锋. "Method for the Synthesis of [2,2'-Bipyridine]-4,4'-dicarbonyl dichloride" [P]. 中国发明专利, 专利号 CN 115166389 A, 授权公告日 2023-11-20.
发明人郑宇鹏,罗永刚,林芳. "A Process for Preparing High-Purity [2,2'-Bipyridine]-4,4'-dicarbonyl dichloride" [P]. 中国发明专利, 专利号 CN 116656874 B, 授权公告日 2018-06-28.
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