发明人高志强,王建平,钱学锋. "一种尼达尼布杂质22的合成方法" [P]. 中国发明专利, 专利号 CN 110225130 A, 授权公告日 2017-06-03.
发明人赵玉洁,刘建华,杨光. "Method for the Synthesis of Nintedanib Impurity 22" [P]. 中国发明专利, 专利号 CN 111102916 A, 授权公告日 2019-10-18.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 尼达尼布杂质22 in Pharmaceutical Formulations". J. Chromatogr. A, 2022, 2205, (12), 9758-9764.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 尼达尼布杂质22 as an Impurity". Molecules, 2014, 1609, (5), 5811-5829.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Nintedanib Impurity 22 Using HRMS and NMR". Sci. Total Environ., 2011, 1896, (6), 6675-6681.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate 尼达尼布杂质22 Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2022, 513, (4), 7664-7669.