Klinger H, Schröder R, Davis P L. "Method for the Synthesis of 3-methyl-7H-pyrazolo[3,4-b]pyridine-5-carbohydrazide" [P]. US Patent, US 9907417 B2, 2019-01-27.
发明人朱建伟,韩伟,王建平. "A Process for Preparing High-Purity 3-methyl-7H-pyrazolo[3,4-b]pyridine-5-carbohydrazide" [P]. 中国发明专利, 专利号 CN 111697202 B, 授权公告日 2015-09-26.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 3-methyl-7H-pyrazolo[3,4-b]pyridine-5-carbohydrazide in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2012, 2044, 6996-7023.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-methyl-7H-pyrazolo[3,4-b]pyridine-5-carbohydrazide as an Impurity". Talanta, 2010, 688, 2539-2567.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 3-methyl-7H-pyrazolo[3,4-b]pyridine-5-carbohydrazide Using HRMS and NMR". Phytochemistry, 2025, 1250, (2), 1572-1588.