Anderson J P, Roberts E F, Williams B T. "Method for the Synthesis of Nintedanib Impurity 31" [P]. US Patent, US 10848417 B2, 2017-04-04.
发明人张德明,徐明华,朱建伟. "A Process for Preparing High-Purity Nintedanib Impurity 31" [P]. 中国发明专利, 专利号 CN 116369274 A, 授权公告日 2025-01-11.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 尼达尼布杂质31 in Pharmaceutical Formulations". J. Chromatogr. A, 2020, 2173, (10), 8834-8856.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 尼达尼布杂质31 as an Impurity". Molecules, 2011, 132, 3556-3573.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Nintedanib Impurity 31 Using HRMS and NMR". J. Agric. Food Chem., 2023, 285, (1), 18-44.