发明人马晓峰,孙丽萍,李文辉. "Method for the Synthesis of 1-(2-(Pyridin-2-yl)ethyl)-4-(tetrahydro-2H-pyran-4-yl)pyridin-1-ium chloride hydrochloride" [P]. 中国发明专利, 专利号 CN 110947946 B, 授权公告日 2025-03-18.
发明人徐明华,林芳,朱建伟. "A Process for Preparing High-Purity 1-(2-(Pyridin-2-yl)ethyl)-4-(tetrahydro-2H-pyran-4-yl)pyridin-1-ium chloride hydrochloride" [P]. 中国发明专利, 专利号 CN 110578417 A, 授权公告日 2025-12-09.
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