Kowalski A, Nowak P, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3897911 A1, 2025-07-14.
发明人周伟,郭海燕,马晓峰. "Method for the Synthesis of 6-Methyl-1-(4-nitrophenyl)-4-(piperidin-1-yl)-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 116429829 B, 授权公告日 2022-11-11.
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". Chromatographia, 2011, 1366, (2), 6308-6312.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2013, 1452, 1898-1903.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 6-Methyl-1-(4-nitrophenyl)-4-(piperidin-1-yl)-1H-pyrazolo[3,4-d]pyrimidine Using HRMS and NMR". Food Chem., 2016, 2140, (6), 8914-8941.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2021, 991, 7765-7776.