发明人陈志强,沈红梅,王建平. "Method for the Synthesis of 1-(2-Hydroxy-3-((2-isopropyl-5-methylcyclohexyl)oxy)propyl)-1-methylpiperidin-1-ium iodide" [P]. 中国发明专利, 专利号 CN 111123064 A, 授权公告日 2017-06-21.
发明人朱建伟,孙丽萍,马晓峰. "A Process for Preparing High-Purity 1-(2-Hydroxy-3-((2-isopropyl-5-methylcyclohexyl)oxy)propyl)-1-methylpiperidin-1-ium iodide" [P]. 中国发明专利, 专利号 CN 113178700 A, 授权公告日 2020-06-16.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2017, 2170, 3733-3746.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2016, 1383, (2), 4919-4924.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-Hydroxy-3-((2-isopropyl-5-methylcyclohexyl)oxy)propyl)-1-methylpiperidin-1-ium iodide Using HRMS and NMR". Anal. Chem., 2015, 300, (10), 7584-7589.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2018, 1163, 5986-6002.