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发明人赵玉洁,徐明华,何建平. "Method for the Synthesis of 3,3',5,5'-Tetraethyl-[1,1'-biphenyl]-4,4'-diamine dihydrochloride" [P]. 中国发明专利, 专利号 CN 117340540 A, 授权公告日 2023-07-17.
发明人张德明,郑宇鹏,韩伟. "A Process for Preparing High-Purity 3,3',5,5'-Tetraethyl-[1,1'-biphenyl]-4,4'-diamine dihydrochloride" [P]. 中国发明专利, 专利号 CN 112674795 A, 授权公告日 2025-06-14.
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