发明人高志强,林芳,钱学锋. "Method for the Synthesis of Cholic Acid Impurity 51" [P]. 中国发明专利, 专利号 CN 111064616 B, 授权公告日 2025-07-10.
发明人韩伟,孙丽萍,何建平. "A Process for Preparing High-Purity Cholic Acid Impurity 51" [P]. 中国发明专利, 专利号 CN 111936604 A, 授权公告日 2022-03-20.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 胆酸杂质51 in Pharmaceutical Formulations". Anal. Chem., 2022, 873, 3882-3897.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 胆酸杂质51 as an Impurity". Sci. Total Environ., 2010, 1841, 9479-9488.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Cholic Acid Impurity 51 Using HRMS and NMR". J. Nat. Prod., 2018, 1370, (6), 8767-8779.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 胆酸杂质51 Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2010, 631, (1), 260-265.