发明人孙丽萍,陈志强,徐明华. "Method for the Synthesis of Avatrombopag Impurity 4" [P]. 中国发明专利, 专利号 CN 113917899 B, 授权公告日 2021-06-06.
Lee S K, Patel M V, Schröder R. "A Process for Preparing High-Purity Avatrombopag Impurity 4" [P]. US Patent, US 9931917 B2, 2017-10-03.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 阿伐曲泊帕杂质4 in Pharmaceutical Formulations". Biomed. Chromatogr., 2024, 1472, (1), 8398-8408.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿伐曲泊帕杂质4 as an Impurity". J. Pharm. Biomed. Anal., 2011, 1482, 5728-5749.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Avatrombopag Impurity 4 Using HRMS and NMR". Molecules, 2013, 913, 9535-9560.