Mueller T C, Nielsen H, Nowak P. "一种的合成方法" [P]. European Patent, EP 3623994 A1, 2024-12-22.
发明人郭海燕,李文辉,王建平. "Method for the Synthesis of Drospirenone Acid Potassium Salt" [P]. 中国发明专利, 专利号 CN 114375877 B, 授权公告日 2025-03-22.
发明人王建平,周伟,沈红梅. "A Process for Preparing High-Purity Drospirenone Acid Potassium Salt" [P]. 中国发明专利, 专利号 CN 117027679 A, 授权公告日 2022-07-17.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 2478, (8), 6631-6660.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2016, 1993, (10), 2629-2636.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Drospirenone Acid Potassium Salt Using HRMS and NMR". J. Pharm. Biomed. Anal., 2011, 951, (5), 2579-2583.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2024, 1419, 1426-1440.