发明人杨光,何建平,韩伟. "一种1-苄基-4-((1-(叔丁氧基羰基)哌啶-4-基)氧基)吡啶-1-鎓溴化物的合成方法" [P]. 中国发明专利, 专利号 CN 109508946 A, 授权公告日 2020-06-11.
发明人罗永刚,冯建国,马晓峰. "Method for the Synthesis of 1-Benzyl-4-((1-(tert-butoxycarbonyl)piperidin-4-yl)oxy)pyridin-1-ium bromide" [P]. 中国发明专利, 专利号 CN 115515124 B, 授权公告日 2021-04-24.
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