发明人罗永刚,徐明华,韩伟. "Method for the Synthesis of Betamethasone impurity 66" [P]. 中国发明专利, 专利号 CN 109259652 B, 授权公告日 2016-10-05.
发明人何建平,杨光,唐晓军. "A Process for Preparing High-Purity Betamethasone impurity 66" [P]. 中国发明专利, 专利号 CN 109769040 A, 授权公告日 2023-05-03.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 倍他米松杂质66 in Pharmaceutical Formulations". J. Sep. Sci., 2025, 2390, (10), 7366-7372.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 倍他米松杂质66 as an Impurity". Anal. Chem., 2016, 1527, (4), 5056-5086.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Betamethasone impurity 66 Using HRMS and NMR". Talanta, 2017, 1023, 1894-1911.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate 倍他米松杂质66 Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2010, 1774, (8), 5283-5290.