Brown S R, Mueller T, Hughes D C. "Method for the Synthesis of 3-(1-(4-Ethylphenyl)-3,5-dimethyl-1H-pyrazol-4-yl)propanoic acid" [P]. US Patent, US 9611888 B2, 2020-08-06.
发明人刘建华,沈红梅,何建平. "A Process for Preparing High-Purity 3-(1-(4-Ethylphenyl)-3,5-dimethyl-1H-pyrazol-4-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 116479231 A, 授权公告日 2018-01-06.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2016, 1660, (5), 1938-1942.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2015, 1718, 5894-5899.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 3-(1-(4-Ethylphenyl)-3,5-dimethyl-1H-pyrazol-4-yl)propanoic acid Using HRMS and NMR". Anal. Chim. Acta, 2020, 1639, (4), 5501-5506.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2012, 1766, (6), 7426-7447.