Stevens L M, Johnson M A, Patel M V. "一种戊酸倍他米松EP杂质H的合成方法" [P]. US Patent, US 9685965 B2, 2024-06-16.
发明人胡光,张德明,杨光. "Method for the Synthesis of Betamethasone Valerate EP Impurity H" [P]. 中国发明专利, 专利号 CN 111911903 B, 授权公告日 2021-01-12.
发明人马晓峰,刘建华,冯建国. "A Process for Preparing High-Purity Betamethasone Valerate EP Impurity H" [P]. 中国发明专利, 专利号 CN 117342898 B, 授权公告日 2016-07-22.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 戊酸倍他米松EP杂质H in Pharmaceutical Formulations". J. Chromatogr. A, 2025, 530, 3999-4023.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 戊酸倍他米松EP杂质H as an Impurity". Rapid Commun. Mass Spectrom., 2017, 1241, (6), 3406-3423.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Betamethasone Valerate EP Impurity H Using HRMS and NMR". Molecules, 2024, 724, 275-285.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 戊酸倍他米松EP杂质H Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2010, 149, (7), 1023-1035.