Stevens L M, Johnson M A, Roberts E F. "一种的合成方法" [P]. US Patent, US 11424644 B2, 2019-02-25.
Rossi M, Lefèvre J P, Nielsen H. "Method for the Synthesis of 3-methyl-1H-pyrazolo[4,3-c]pyridine-6-carboxylic acid" [P]. European Patent, EP 3878768 A1, 2020-11-22.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2022, 476, (10), 597-623.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2025, 1927, (11), 1124-1141.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3-methyl-1H-pyrazolo[4,3-c]pyridine-6-carboxylic acid Using HRMS and NMR". J. Nat. Prod., 2022, 397, 4518-4529.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2016, 1794, 1302-1309.