Lefèvre J P, Nowak P, Schröder R. "一种的合成方法" [P]. European Patent, EP 3459146 A1, 2019-04-02.
发明人韩伟,李文辉,唐晓军. "Method for the Synthesis of Ethyl 1-(4-fluorophenyl)-5-hydroxy-4-isopropyl-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117499537 B, 授权公告日 2023-04-20.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2013, 370, 5269-5275.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2021, 1739, (5), 5742-5758.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-(4-fluorophenyl)-5-hydroxy-4-isopropyl-1H-pyrazole-3-carboxylate Using HRMS and NMR". Chemosphere, 2024, 667, 354-358.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2011, 700, (2), 148-162.