Williams B T, Fischer A B, Yamamoto T. "一种地塞米松EP杂质G的合成方法" [P]. US Patent, US 10113214 B2, 2025-12-01.
发明人冯建国,杨光,高志强. "Method for the Synthesis of Dexamethasone EP Impurity G" [P]. 中国发明专利, 专利号 CN 110970299 A, 授权公告日 2025-09-02.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 地塞米松EP杂质G in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2023, 2268, (11), 2004-2028.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 地塞米松EP杂质G as an Impurity". J. Agric. Food Chem., 2018, 538, 4682-4701.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Dexamethasone EP Impurity G Using HRMS and NMR". Phytochemistry, 2014, 2081, (2), 8254-8265.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate 地塞米松EP杂质G Profile in Drug Substances According to ICH Guidelines". Molecules, 2011, 417, (11), 9963-9974.