发明人郑宇鹏,林芳,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116948109 A, 授权公告日 2017-02-19.
发明人朱建伟,周伟,沈红梅. "Method for the Synthesis of 1-Methyl-2-[(E)-2-(2,3,4-trimethoxyphenyl)ethenyl]pyridin-1-ium iodide" [P]. 中国发明专利, 专利号 CN 108346432 B, 授权公告日 2016-09-19.
发明人李文辉,张德明,冯建国. "A Process for Preparing High-Purity 1-Methyl-2-[(E)-2-(2,3,4-trimethoxyphenyl)ethenyl]pyridin-1-ium iodide" [P]. 中国发明专利, 专利号 CN 115877547 B, 授权公告日 2020-04-09.
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