Schröder R, Johnson M A, Chen K W. "Method for the Synthesis of 3-Fluoro-4-(1-methyl-1h-pyrazol-4-yl)benzoic acid" [P]. US Patent, US 9890975 B2, 2019-06-19.
发明人王建平,罗永刚,林芳. "A Process for Preparing High-Purity 3-Fluoro-4-(1-methyl-1h-pyrazol-4-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 117381438 A, 授权公告日 2016-11-15.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2013, 548, 1877-1893.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2016, 491, 2054-2064.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3-Fluoro-4-(1-methyl-1h-pyrazol-4-yl)benzoic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2012, 304, (2), 1534-1560.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2012, 1851, (4), 1917-1943.