发明人赵玉洁,钱学锋,徐明华. "Method for the Synthesis of 3-(2,4-Dichloro-5-fluorophenyl)-1-(m-tolyl)-1H-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110554834 B, 授权公告日 2017-06-11.
Nowak P, Rossi M, Mueller T C. "A Process for Preparing High-Purity 3-(2,4-Dichloro-5-fluorophenyl)-1-(m-tolyl)-1H-pyrazole-5-carboxylic acid" [P]. European Patent, EP 3187255 A1, 2016-05-12.
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". Biomed. Chromatogr., 2010, 1878, (4), 9178-9189.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2010, 2166, (8), 618-622.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2,4-Dichloro-5-fluorophenyl)-1-(m-tolyl)-1H-pyrazole-5-carboxylic acid Using HRMS and NMR". Anal. Methods, 2012, 1986, (11), 1972-1984.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2020, 1028, (4), 5182-5203.