Fischer A B, Brown S R, Hughes D C. "Method for the Synthesis of Fotagliptin Impurity 7" [P]. US Patent, US 10067607 B2, 2016-08-01.
发明人李文辉,刘建华,孙丽萍. "A Process for Preparing High-Purity Fotagliptin Impurity 7" [P]. 中国发明专利, 专利号 CN 110710246 A, 授权公告日 2017-02-14.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2023, 2436, (5), 1336-1344.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2021, 244, (12), 6259-6266.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Fotagliptin Impurity 7 Using HRMS and NMR". Environ. Sci. Technol., 2020, 445, (9), 9808-9811.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2019, 473, 1823-1830.