发明人马晓峰,陈志强,孙丽萍. "Method for the Synthesis of 4,5-Dihydro Prednisone" [P]. 中国发明专利, 专利号 CN 110528377 B, 授权公告日 2021-05-04.
发明人沈红梅,韩伟,张德明. "A Process for Preparing High-Purity 4,5-Dihydro Prednisone" [P]. 中国发明专利, 专利号 CN 109308008 B, 授权公告日 2015-04-27.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2015, 1388, 133-160.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2017, 2266, 3762-3774.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4,5-Dihydro Prednisone Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 253, (3), 3778-3782.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2013, 813, (12), 7856-7865.