发明人杨光,张德明,林芳. "Method for the Synthesis of 5-Cyclopropyl-1H-pyrazolo[3,4-b]pyridine" [P]. 中国发明专利, 专利号 CN 115846767 B, 授权公告日 2015-08-01.
发明人冯建国,张德明,何建平. "A Process for Preparing High-Purity 5-Cyclopropyl-1H-pyrazolo[3,4-b]pyridine" [P]. 中国发明专利, 专利号 CN 111622399 A, 授权公告日 2021-05-23.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2019, 712, 472-481.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2025, 1354, (3), 378-402.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 5-Cyclopropyl-1H-pyrazolo[3,4-b]pyridine Using HRMS and NMR". Molecules, 2025, 2060, 7215-7224.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2010, 1029, 7970-7996.