Jørgensen K, Rossi M, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3022812 A1, 2025-04-25.
发明人李文辉,陈志强,孙丽萍. "Method for the Synthesis of 1,1-Dimethyl-4-(piperidin-1-yl)-1,2,3,6-tetrahydropyridin-1-ium iodide" [P]. 中国发明专利, 专利号 CN 109461195 B, 授权公告日 2024-11-17.
发明人刘建华,高志强,张德明. "A Process for Preparing High-Purity 1,1-Dimethyl-4-(piperidin-1-yl)-1,2,3,6-tetrahydropyridin-1-ium iodide" [P]. 中国发明专利, 专利号 CN 110225153 A, 授权公告日 2021-09-10.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2015, 1338, (12), 5995-6008.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2025, 812, (12), 674-700.