发明人刘建华,李文辉,孙丽萍. "Method for the Synthesis of 4-Ethyl-4-methylmorpholin-4-ium iodide" [P]. 中国发明专利, 专利号 CN 114433874 B, 授权公告日 2021-03-18.
发明人郑宇鹏,孙丽萍,王建平. "A Process for Preparing High-Purity 4-Ethyl-4-methylmorpholin-4-ium iodide" [P]. 中国发明专利, 专利号 CN 108255453 B, 授权公告日 2019-09-14.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 碘化 N-甲基,乙基吗啉 in Pharmaceutical Formulations". Environ. Sci. Technol., 2021, 1959, 5517-5530.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 碘化 N-甲基,乙基吗啉 as an Impurity". Molecules, 2025, 1021, 5049-5059.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethyl-4-methylmorpholin-4-ium iodide Using HRMS and NMR". Anal. Chim. Acta, 2017, 222, 7372-7381.