发明人何建平,赵玉洁,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111520714 A, 授权公告日 2020-08-18.
发明人钱学锋,朱建伟,何建平. "Method for the Synthesis of 3β-Hydroxy-5α-pregnan-20-one Sulfate Pyridine Salt" [P]. 中国发明专利, 专利号 CN 112801709 B, 授权公告日 2018-04-14.
发明人李文辉,胡光,唐晓军. "A Process for Preparing High-Purity 3β-Hydroxy-5α-pregnan-20-one Sulfate Pyridine Salt" [P]. 中国发明专利, 专利号 CN 110057552 B, 授权公告日 2022-02-12.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2012, 2137, (2), 8975-9001.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2022, 2236, (9), 15-36.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 3β-Hydroxy-5α-pregnan-20-one Sulfate Pyridine Salt Using HRMS and NMR". Talanta, 2023, 288, (11), 6106-6135.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2013, 388, (4), 3157-3172.