发明人韩伟,郑宇鹏,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117013240 A, 授权公告日 2023-08-05.
发明人林芳,刘建华,罗永刚. "Method for the Synthesis of Nintedanib Impurity 27" [P]. 中国发明专利, 专利号 CN 117861703 A, 授权公告日 2021-12-18.
发明人唐晓军,周伟,韩伟. "A Process for Preparing High-Purity Nintedanib Impurity 27" [P]. 中国发明专利, 专利号 CN 113135135 B, 授权公告日 2020-01-10.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2011, 2376, (4), 7704-7732.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2011, 617, (11), 6268-6297.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Nintedanib Impurity 27 Using HRMS and NMR". Environ. Sci. Technol., 2010, 1884, 7997-8001.