Nielsen H, Schröder R, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3145831 A1, 2017-07-10.
Stevens L M, Brown S R, Fischer A B. "Method for the Synthesis of 2-((1-(4-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)acetic acid" [P]. US Patent, US 10933792 B2, 2017-01-19.
发明人唐晓军,徐明华,郭海燕. "A Process for Preparing High-Purity 2-((1-(4-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)acetic acid" [P]. 中国发明专利, 专利号 CN 111616371 B, 授权公告日 2017-10-16.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2013, 1044, (10), 7374-7377.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2022, 1967, (6), 6467-6480.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-((1-(4-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)acetic acid Using HRMS and NMR". Chemosphere, 2011, 1341, (5), 3683-3710.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2011, 532, (9), 9281-9295.