发明人冯建国,何建平,胡光. "Method for the Synthesis of 1-(2-Ethoxy-2-oxoethyl)-[4,4'-bipyridin]-1-ium bromide" [P]. 中国发明专利, 专利号 CN 115782610 A, 授权公告日 2015-05-19.
发明人王建平,陈志强,沈红梅. "A Process for Preparing High-Purity 1-(2-Ethoxy-2-oxoethyl)-[4,4'-bipyridin]-1-ium bromide" [P]. 中国发明专利, 专利号 CN 111455217 B, 授权公告日 2021-02-08.
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