Kumar R, Davis P L, Hughes D C. "Method for the Synthesis of Finerenone Impurity 47" [P]. US Patent, US 10704830 B2, 2023-10-09.
发明人李文辉,韩伟,林芳. "A Process for Preparing High-Purity Finerenone Impurity 47" [P]. 中国发明专利, 专利号 CN 109319253 A, 授权公告日 2020-03-07.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 非奈利酮杂质47 in Pharmaceutical Formulations". Anal. Chem., 2013, 447, (6), 4453-4481.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 非奈利酮杂质47 as an Impurity". Biomed. Chromatogr., 2023, 2064, (12), 2098-2114.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Finerenone Impurity 47 Using HRMS and NMR". Anal. Chim. Acta, 2013, 1137, (5), 3040-3060.