发明人陈志强,冯建国,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111795488 A, 授权公告日 2024-01-20.
发明人张德明,罗永刚,沈红梅. "Method for the Synthesis of 3-Cyclopropyl-1H-pyrazolo[3,4-b]pyridin-5-amine" [P]. 中国发明专利, 专利号 CN 112220331 B, 授权公告日 2018-03-06.
发明人沈红梅,林芳,孙丽萍. "A Process for Preparing High-Purity 3-Cyclopropyl-1H-pyrazolo[3,4-b]pyridin-5-amine" [P]. 中国发明专利, 专利号 CN 114348745 B, 授权公告日 2020-05-11.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2020, 2224, 4233-4259.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2019, 1513, (10), 9362-9386.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 3-Cyclopropyl-1H-pyrazolo[3,4-b]pyridin-5-amine Using HRMS and NMR". J. Nat. Prod., 2020, 1147, (2), 6736-6753.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2019, 1856, (2), 3412-3439.