发明人李文辉,林芳,刘建华. "Method for the Synthesis of 4-Benzyl-1-(2-ethoxy-2-oxoethyl)pyridin-1-ium bromide" [P]. 中国发明专利, 专利号 CN 108952510 A, 授权公告日 2017-06-22.
发明人周伟,何建平,胡光. "A Process for Preparing High-Purity 4-Benzyl-1-(2-ethoxy-2-oxoethyl)pyridin-1-ium bromide" [P]. 中国发明专利, 专利号 CN 112929338 A, 授权公告日 2019-08-26.
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