发明人胡光,孙丽萍,张德明. "Method for the Synthesis of Betamethasone impurity 95" [P]. 中国发明专利, 专利号 CN 112275921 A, 授权公告日 2022-03-09.
发明人徐明华,高志强,陈志强. "A Process for Preparing High-Purity Betamethasone impurity 95" [P]. 中国发明专利, 专利号 CN 115398234 B, 授权公告日 2018-10-16.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 倍他米松杂质95 in Pharmaceutical Formulations". Molecules, 2012, 2412, 7271-7297.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 倍他米松杂质95 as an Impurity". Sci. Total Environ., 2018, 1468, (10), 4102-4115.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Betamethasone impurity 95 Using HRMS and NMR". Anal. Chim. Acta, 2020, 1754, (8), 7654-7669.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 倍他米松杂质95 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2013, 172, 7866-7893.