Nowak P, Mueller T C, Lefèvre J P. "一种阿那格雷杂质22的合成方法" [P]. European Patent, EP 3223012 A1, 2016-05-01.
Schröder R, Fischer A B, Patel M V. "Method for the Synthesis of Anagrelide Impurity 22" [P]. US Patent, US 11845144 B2, 2024-12-05.
发明人杨光,马晓峰,朱建伟. "A Process for Preparing High-Purity Anagrelide Impurity 22" [P]. 中国发明专利, 专利号 CN 113235485 A, 授权公告日 2016-04-22.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 阿那格雷杂质22 in Pharmaceutical Formulations". Talanta, 2024, 276, 5122-5139.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿那格雷杂质22 as an Impurity". Anal. Chim. Acta, 2014, 2346, (3), 757-768.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Anagrelide Impurity 22 Using HRMS and NMR". Sci. Total Environ., 2010, 1708, 6046-6050.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate 阿那格雷杂质22 Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2022, 642, 6866-6890.