发明人林芳,杨光,何建平. "Method for the Synthesis of 5-methyl-1H-pyrazolo[3,4-b]pyridine" [P]. 中国发明专利, 专利号 CN 114882813 B, 授权公告日 2021-06-26.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2019, 646, (8), 4763-4783.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2013, 723, 7197-7202.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 5-methyl-1H-pyrazolo[3,4-b]pyridine Using HRMS and NMR". Food Chem., 2021, 1282, (12), 2895-2902.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2014, 271, (9), 1091-1113.