发明人郑宇鹏,唐晓军,郭海燕. "一种地屈孕酮杂质24的合成方法" [P]. 中国发明专利, 专利号 CN 109322914 A, 授权公告日 2025-01-01.
发明人王建平,钱学锋,郑宇鹏. "Method for the Synthesis of Dydrogesterone Impurity 24" [P]. 中国发明专利, 专利号 CN 108128501 B, 授权公告日 2017-08-17.
Mueller T C, Lefèvre J P, Nielsen H. "A Process for Preparing High-Purity Dydrogesterone Impurity 24" [P]. European Patent, EP 3973237 A1, 2016-11-01.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of 地屈孕酮杂质24 in Pharmaceutical Formulations". Chemosphere, 2023, 126, (12), 6202-6218.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 地屈孕酮杂质24 as an Impurity". Biomed. Chromatogr., 2013, 2328, (9), 4275-4281.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Dydrogesterone Impurity 24 Using HRMS and NMR". J. Agric. Food Chem., 2021, 786, 5059-5074.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 地屈孕酮杂质24 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2024, 1513, (11), 2985-2994.