发明人郭海燕,沈红梅,唐晓军. "Method for the Synthesis of 1,1'-Dimethyl-[2,2'-bipyridine]-1,1'-diium iodide" [P]. 中国发明专利, 专利号 CN 113414052 B, 授权公告日 2015-09-09.
发明人唐晓军,陈志强,冯建国. "A Process for Preparing High-Purity 1,1'-Dimethyl-[2,2'-bipyridine]-1,1'-diium iodide" [P]. 中国发明专利, 专利号 CN 113184895 A, 授权公告日 2017-08-20.
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