发明人沈红梅,周伟,刘建华. "Method for the Synthesis of 1-Ethyl-1-methylpiperidin-1-ium iodide" [P]. 中国发明专利, 专利号 CN 110366660 A, 授权公告日 2015-08-04.
O'Brien P Q, Roberts E F, Park J H. "A Process for Preparing High-Purity 1-Ethyl-1-methylpiperidin-1-ium iodide" [P]. US Patent, US 11200443 B2, 2021-07-11.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2022, 2336, (2), 8970-8975.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2023, 530, (2), 6-9.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-1-methylpiperidin-1-ium iodide Using HRMS and NMR". J. Sep. Sci., 2015, 1842, (11), 2857-2885.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2015, 1915, 8629-8642.