发明人高志强,何建平,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111946565 A, 授权公告日 2021-01-04.
发明人陈志强,郑宇鹏,胡光. "Method for the Synthesis of 6-((3-Isopropoxypropyl)amino)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 115900541 B, 授权公告日 2015-02-17.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2017, 1363, (11), 6626-6630.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2020, 1652, 880-909.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 6-((3-Isopropoxypropyl)amino)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one Using HRMS and NMR". Environ. Sci. Technol., 2016, 1440, (3), 5753-5778.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2021, 378, 2750-2772.