发明人陈志强,郭海燕,沈红梅. "Method for the Synthesis of 1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109816841 A, 授权公告日 2021-04-20.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 1-甲基-1H-吡唑并[3,4-b]吡啶-3-羧酸 in Pharmaceutical Formulations". Molecules, 2010, 862, 5362-5376.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-甲基-1H-吡唑并[3,4-b]吡啶-3-羧酸 as an Impurity". J. Nat. Prod., 2015, 1330, 2120-2150.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid Using HRMS and NMR". Chemosphere, 2023, 2236, 176-183.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate 1-甲基-1H-吡唑并[3,4-b]吡啶-3-羧酸 Profile in Drug Substances According to ICH Guidelines". Food Chem., 2024, 2400, (7), 9679-9702.