Schröder R, Kowalski A, Jørgensen K. "Method for the Synthesis of 1-(2-Fluorophenyl)-5-methyl-1H-pyrazole-4-carboxylic acid" [P]. European Patent, EP 3579576 A1, 2016-09-14.
发明人黄志刚,罗永刚,李文辉. "A Process for Preparing High-Purity 1-(2-Fluorophenyl)-5-methyl-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109427063 A, 授权公告日 2015-10-20.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2010, 1636, (1), 4570-4596.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2016, 1475, 2495-2515.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-Fluorophenyl)-5-methyl-1H-pyrazole-4-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2019, 2435, (7), 5143-5170.