Sørensen M, Kowalski A, Johansson L. "Method for the Synthesis of Spironolactone Impurity 14" [P]. European Patent, EP 3122852 A1, 2015-02-18.
发明人唐晓军,冯建国,张德明. "A Process for Preparing High-Purity Spironolactone Impurity 14" [P]. 中国发明专利, 专利号 CN 110455716 A, 授权公告日 2023-11-01.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 螺内酯杂质14 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2022, 131, (6), 2520-2547.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 螺内酯杂质14 as an Impurity". Biomed. Chromatogr., 2014, 756, 2011-2027.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Spironolactone Impurity 14 Using HRMS and NMR". J. Chromatogr. A, 2022, 2442, 4074-4096.