Davis P L, Brown S R, Klinger H. "一种21-脱氢倍他米松的合成方法" [P]. US Patent, US 9557261 B2, 2015-02-20.
发明人林芳,马晓峰,王建平. "Method for the Synthesis of 21-Dehydro Betamethasone" [P]. 中国发明专利, 专利号 CN 113900254 B, 授权公告日 2015-06-15.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 21-脱氢倍他米松 in Pharmaceutical Formulations". Chemosphere, 2019, 1446, (10), 8932-8948.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 21-脱氢倍他米松 as an Impurity". Anal. Chim. Acta, 2013, 1565, 9238-9252.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 21-Dehydro Betamethasone Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2010, 797, (4), 3355-3377.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate 21-脱氢倍他米松 Profile in Drug Substances According to ICH Guidelines". Food Chem., 2020, 1061, (7), 7898-7916.