发明人黄志刚,冯建国,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117656798 A, 授权公告日 2022-02-22.
Yamamoto T, O'Brien P Q, Klinger H. "Method for the Synthesis of 1,3-Dimethyl-N-(pentan-2-yl)-1H-pyrazolo[3,4-b]pyridin-5-amine" [P]. US Patent, US 10342160 B2, 2024-04-01.
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". Biomed. Chromatogr., 2014, 1891, 6359-6377.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2018, 1822, (4), 5134-5159.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 1,3-Dimethyl-N-(pentan-2-yl)-1H-pyrazolo[3,4-b]pyridin-5-amine Using HRMS and NMR". Anal. Chim. Acta, 2018, 2476, (7), 1936-1956.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2013, 143, (1), 8164-8183.