Williams B T, Brown S R, Davis P L. "一种的合成方法" [P]. US Patent, US 9928724 B2, 2023-07-24.
发明人刘建华,林芳,沈红梅. "Method for the Synthesis of Anagrelide 5-Acetoxy Impurity" [P]. 中国发明专利, 专利号 CN 113081662 A, 授权公告日 2020-06-13.
发明人徐明华,唐晓军,胡光. "A Process for Preparing High-Purity Anagrelide 5-Acetoxy Impurity" [P]. 中国发明专利, 专利号 CN 108565612 A, 授权公告日 2016-02-26.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2019, 2259, (8), 2312-2317.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2010, 821, (1), 1436-1451.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Anagrelide 5-Acetoxy Impurity Using HRMS and NMR". Chemosphere, 2023, 1600, 3880-3893.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2023, 2427, 7136-7165.