Thompson G K, Chen K W, Klinger H. "Method for the Synthesis of 1-(propan-2-yl)-1h-pyrazole-4-carboxylic acid
1-Isopropyl-1H-pyrazole-4-carboxylic acid
1-isopropyl-1 h-pyrazole-4-carboxylic acid
436096-96-7" [P]. US Patent, US 10800219 B2, 2021-01-23.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 1-Isopropyl-1H-pyrazole-4-carboxylic acid in Pharmaceutical Formulations". Molecules, 2022, 1967, (1), 4581-4603.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-Isopropyl-1H-pyrazole-4-carboxylic acid as an Impurity". Chromatographia, 2020, 1253, 9444-9468.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1-(propan-2-yl)-1h-pyrazole-4-carboxylic acid
1-Isopropyl-1H-pyrazole-4-carboxylic acid
1-isopropyl-1 h-pyrazole-4-carboxylic acid
436096-96-7 Using HRMS and NMR". Anal. Chim. Acta, 2015, 2058, 2431-2456.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate 1-Isopropyl-1H-pyrazole-4-carboxylic acid Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2010, 2472, (6), 3140-3145.