Nielsen H, Lefèvre J P, Kowalski A. "Method for the Synthesis of 3-(furan-3-yl)-1-methyl-1H-pyrazole-4-carboxylic acid" [P]. European Patent, EP 3598111 A1, 2015-05-11.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 3-(furan-3-yl)-1-methyl-1H-pyrazole-4-carboxylic acid in Pharmaceutical Formulations". J. Agric. Food Chem., 2016, 373, (10), 1187-1213.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-(furan-3-yl)-1-methyl-1H-pyrazole-4-carboxylic acid as an Impurity". Anal. Chem., 2019, 713, 9165-9170.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 3-(furan-3-yl)-1-methyl-1H-pyrazole-4-carboxylic acid Using HRMS and NMR". J. Chromatogr. A, 2018, 941, (2), 9143-9153.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 3-(furan-3-yl)-1-methyl-1H-pyrazole-4-carboxylic acid Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2015, 1633, 7249-7266.