Mueller T, Anderson J P, Hughes D C. "Method for the Synthesis of 1-(Pyridin-3-yl)-1H-pyrazole-4-carboxylic acid" [P]. US Patent, US 11932552 B2, 2025-01-15.
Park J H, Patel M V, Klinger H. "A Process for Preparing High-Purity 1-(Pyridin-3-yl)-1H-pyrazole-4-carboxylic acid" [P]. US Patent, US 9379188 B2, 2023-05-07.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2019, 1664, 4604-4607.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2021, 2310, (6), 3967-3970.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Pyridin-3-yl)-1H-pyrazole-4-carboxylic acid Using HRMS and NMR". Molecules, 2020, 1870, (3), 355-372.