Nowak P, Nielsen H, Sørensen M. "一种3-三氟甲基-1H-吡唑-4-羧酸的合成方法" [P]. European Patent, EP 3469467 A1, 2024-10-15.
发明人赵玉洁,高志强,郑宇鹏. "Method for the Synthesis of 3-(Trifluoromethyl)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114184118 B, 授权公告日 2024-01-12.
发明人张德明,沈红梅,刘建华. "A Process for Preparing High-Purity 3-(Trifluoromethyl)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116871143 B, 授权公告日 2025-07-06.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 3-三氟甲基-1H-吡唑-4-羧酸 in Pharmaceutical Formulations". J. Agric. Food Chem., 2016, 2107, 418-441.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-三氟甲基-1H-吡唑-4-羧酸 as an Impurity". Anal. Chim. Acta, 2013, 2254, (10), 9544-9573.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Trifluoromethyl)-1H-pyrazole-4-carboxylic acid Using HRMS and NMR". Chromatographia, 2014, 1277, (8), 1162-1169.