发明人郭海燕,沈红梅,胡光. "一种尼达尼布杂质5的合成方法" [P]. 中国发明专利, 专利号 CN 115164851 A, 授权公告日 2016-08-10.
Yamamoto T, Roberts E F, O'Brien P Q. "Method for the Synthesis of Nintedanib Impurity 5" [P]. US Patent, US 11005868 B2, 2018-04-24.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 尼达尼布杂质5 in Pharmaceutical Formulations". Phytochemistry, 2024, 750, (5), 7802-7817.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 尼达尼布杂质5 as an Impurity". Molecules, 2011, 2011, (9), 8995-9000.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Nintedanib Impurity 5 Using HRMS and NMR". Anal. Methods, 2018, 319, 7130-7146.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 尼达尼布杂质5 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2025, 1808, 1255-1280.