发明人王建平,周伟,沈红梅. "Method for the Synthesis of Avacopan impurity 7" [P]. 中国发明专利, 专利号 CN 110502248 B, 授权公告日 2021-08-17.
发明人李文辉,刘建华,韩伟. "A Process for Preparing High-Purity Avacopan impurity 7" [P]. 中国发明专利, 专利号 CN 112647939 B, 授权公告日 2016-03-21.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 阿伐可泮杂质7 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2016, 2296, (3), 9795-9818.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿伐可泮杂质7 as an Impurity". Chromatographia, 2018, 587, (7), 2106-2135.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Avacopan impurity 7 Using HRMS and NMR". J. Sep. Sci., 2019, 902, 7496-7507.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate 阿伐可泮杂质7 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2016, 657, (7), 3640-3665.