Thompson G K, Stevens L M, O'Brien P Q. "一种1-(4-fluorophenyl)-4-methyl-1H-pyrazole-3-carboxylic acid的合成方法" [P]. US Patent, US 9708067 B2, 2019-11-25.
发明人孙丽萍,钱学锋,高志强. "Method for the Synthesis of 1-(4-fluorophenyl)-4-methyl-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113679516 A, 授权公告日 2017-10-09.
发明人马晓峰,杨光,郑宇鹏. "A Process for Preparing High-Purity 1-(4-fluorophenyl)-4-methyl-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117560982 A, 授权公告日 2023-02-27.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 1-(4-fluorophenyl)-4-methyl-1H-pyrazole-3-carboxylic acid in Pharmaceutical Formulations". Food Chem., 2018, 2310, 4113-4135.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-(4-fluorophenyl)-4-methyl-1H-pyrazole-3-carboxylic acid as an Impurity". Molecules, 2019, 878, 9476-9496.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-fluorophenyl)-4-methyl-1H-pyrazole-3-carboxylic acid Using HRMS and NMR". Anal. Chim. Acta, 2025, 1738, (12), 6328-6336.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate 1-(4-fluorophenyl)-4-methyl-1H-pyrazole-3-carboxylic acid Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2019, 1945, (11), 9012-9037.