Martínez F, Kowalski A, Johansson L. "一种的合成方法" [P]. European Patent, EP 3766213 A1, 2015-04-25.
发明人何建平,周伟,杨光. "Method for the Synthesis of 4-(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 109436646 B, 授权公告日 2022-04-04.
发明人林芳,周伟,郑宇鹏. "A Process for Preparing High-Purity 4-(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 108312722 A, 授权公告日 2023-06-26.
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". Chemosphere, 2013, 875, (7), 5261-5287.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2016, 1421, (10), 9094-9104.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)benzoic acid Using HRMS and NMR". J. Chromatogr. A, 2019, 672, (2), 7122-7140.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2011, 205, (12), 9981-9997.