发明人朱建伟,罗永刚,刘建华. "Method for the Synthesis of Alogliptin Impurity 4" [P]. 中国发明专利, 专利号 CN 113516354 A, 授权公告日 2022-07-15.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 阿格列汀杂质4 in Pharmaceutical Formulations". J. Sep. Sci., 2023, 803, (1), 6996-7000.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿格列汀杂质4 as an Impurity". Anal. Methods, 2013, 1172, (10), 2080-2084.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Alogliptin Impurity 4 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2022, 139, 3688-3716.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate 阿格列汀杂质4 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2018, 922, 590-610.