Schröder R, Kowalski A, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3385224 A1, 2024-06-04.
Jørgensen K, Johansson L, Martínez F. "Method for the Synthesis of 2-(Pyridin-1-ium-1-ylmethyl)quinolizin-5-ium iodide" [P]. European Patent, EP 3084979 A1, 2017-09-06.
Kumar R, Williams B T, Johnson M A. "A Process for Preparing High-Purity 2-(Pyridin-1-ium-1-ylmethyl)quinolizin-5-ium iodide" [P]. US Patent, US 10186026 B2, 2024-03-08.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2022, 1965, (9), 8390-8395.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2014, 2442, (1), 2212-2242.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Pyridin-1-ium-1-ylmethyl)quinolizin-5-ium iodide Using HRMS and NMR". Talanta, 2022, 476, (12), 1309-1328.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2022, 1852, (11), 9527-9534.