Kumar R, Klinger H, Yamamoto T. "一种Baxdrostat杂质9的合成方法" [P]. US Patent, US 9647503 B2, 2018-03-21.
发明人何建平,韩伟,林芳. "Method for the Synthesis of Baxdrostat Impurity 9" [P]. 中国发明专利, 专利号 CN 112046156 A, 授权公告日 2016-01-17.
发明人林芳,陈志强,郑宇鹏. "A Process for Preparing High-Purity Baxdrostat Impurity 9" [P]. 中国发明专利, 专利号 CN 113325706 A, 授权公告日 2016-08-09.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of Baxdrostat杂质9 in Pharmaceutical Formulations". Phytochemistry, 2013, 649, 9334-9343.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of Baxdrostat杂质9 as an Impurity". Anal. Methods, 2016, 2162, 9318-9333.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Baxdrostat Impurity 9 Using HRMS and NMR". Biomed. Chromatogr., 2011, 1078, (6), 145-158.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Baxdrostat杂质9 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2010, 476, 2248-2263.