发明人赵玉洁,胡光,郭海燕. "Method for the Synthesis of 4,4'-Bipyridyl" [P]. 中国发明专利, 专利号 CN 108153534 A, 授权公告日 2015-09-17.
发明人韩伟,郑宇鹏,赵玉洁. "A Process for Preparing High-Purity 4,4'-Bipyridyl" [P]. 中国发明专利, 专利号 CN 115836200 A, 授权公告日 2021-01-12.
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