Chen K W, Anderson J P, Yamamoto T. "Method for the Synthesis of Enzalutamide Impurity 9" [P]. US Patent, US 10907658 B2, 2025-05-26.
发明人郭海燕,高志强,徐明华. "A Process for Preparing High-Purity Enzalutamide Impurity 9" [P]. 中国发明专利, 专利号 CN 108867252 B, 授权公告日 2024-06-19.
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 恩扎卢胺杂质9 in Pharmaceutical Formulations". Biomed. Chromatogr., 2022, 171, (7), 2557-2573.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 恩扎卢胺杂质9 as an Impurity". Anal. Chim. Acta, 2013, 1743, 6465-6480.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Enzalutamide Impurity 9 Using HRMS and NMR". J. Agric. Food Chem., 2011, 561, (4), 6211-6234.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 恩扎卢胺杂质9 Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2022, 1300, 9709-9719.