Williams B T, Anderson J P, Davis P L. "Method for the Synthesis of Deoxycholic acid Impurity 20" [P]. US Patent, US 10016834 B2, 2022-07-18.
发明人赵玉洁,钱学锋,杨光. "A Process for Preparing High-Purity Deoxycholic acid Impurity 20" [P]. 中国发明专利, 专利号 CN 109421086 A, 授权公告日 2020-01-26.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 去氧胆酸杂质20 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2010, 998, (10), 1238-1256.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 去氧胆酸杂质20 as an Impurity". Anal. Chem., 2024, 2020, (11), 838-856.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Deoxycholic acid Impurity 20 Using HRMS and NMR". J. Nat. Prod., 2015, 2327, 855-863.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate 去氧胆酸杂质20 Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2019, 1523, (8), 4350-4376.