Roberts E F, Yamamoto T, Johnson M A. "一种的合成方法" [P]. US Patent, US 9430106 B2, 2015-04-15.
发明人赵玉洁,韩伟,王建平. "Method for the Synthesis of Methyl-3-keto-5β-cholan-24-oate" [P]. 中国发明专利, 专利号 CN 108430912 B, 授权公告日 2019-03-24.
发明人李文辉,高志强,徐明华. "A Process for Preparing High-Purity Methyl-3-keto-5β-cholan-24-oate" [P]. 中国发明专利, 专利号 CN 110501757 B, 授权公告日 2016-12-25.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2011, 477, (8), 2338-2364.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2017, 374, (3), 458-463.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Methyl-3-keto-5β-cholan-24-oate Using HRMS and NMR". J. Sep. Sci., 2011, 2101, (8), 7479-7492.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2010, 2140, (3), 5277-5297.