Jørgensen K, Lefèvre J P, Nowak P. "一种熊去氧胆酸杂质84的合成方法" [P]. European Patent, EP 3505855 A1, 2019-06-16.
发明人周伟,陈志强,唐晓军. "Method for the Synthesis of Ursodeoxycholic Acid impurity 84" [P]. 中国发明专利, 专利号 CN 114056205 B, 授权公告日 2017-06-15.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 熊去氧胆酸杂质84 in Pharmaceutical Formulations". Phytochemistry, 2017, 272, (9), 9892-9911.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 熊去氧胆酸杂质84 as an Impurity". Molecules, 2022, 360, 7408-7424.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Ursodeoxycholic Acid impurity 84 Using HRMS and NMR". J. Nat. Prod., 2013, 2346, (2), 7944-7955.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 熊去氧胆酸杂质84 Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2018, 1569, (7), 9527-9533.