Schröder R, Björnsson E, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3215439 A1, 2025-02-06.
发明人杨光,黄志刚,孙丽萍. "Method for the Synthesis of 12H-Indolo[2,3-a]quinolizin-5-ium" [P]. 中国发明专利, 专利号 CN 115720217 B, 授权公告日 2017-12-04.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2022, 914, (1), 9917-9935.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2015, 669, (5), 7140-7167.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 12H-Indolo[2,3-a]quinolizin-5-ium Using HRMS and NMR". Sci. Total Environ., 2016, 1868, (11), 3132-3141.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2011, 1792, 6627-6646.