Park J H, O'Brien P Q, Williams B T. "一种阿曲生坦杂质20的合成方法" [P]. US Patent, US 9552991 B2, 2023-05-15.
发明人孙丽萍,杨光,郭海燕. "Method for the Synthesis of Atrasentan Impurity 20" [P]. 中国发明专利, 专利号 CN 113759277 B, 授权公告日 2021-02-21.
发明人陈志强,郭海燕,孙丽萍. "A Process for Preparing High-Purity Atrasentan Impurity 20" [P]. 中国发明专利, 专利号 CN 110377512 A, 授权公告日 2016-07-25.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 阿曲生坦杂质20 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2021, 196, 1278-1286.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿曲生坦杂质20 as an Impurity". Food Chem., 2019, 1930, (3), 3888-3907.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Atrasentan Impurity 20 Using HRMS and NMR". Talanta, 2023, 1628, 5206-5234.