Martínez F, Johansson L, Nowak P. "Method for the Synthesis of Ethyl 1-cyclopropyl-3-(difluoromethyl)-1H-pyrazole-5-carboxylate" [P]. European Patent, EP 3867198 A1, 2016-02-15.
发明人唐晓军,刘建华,周伟. "A Process for Preparing High-Purity Ethyl 1-cyclopropyl-3-(difluoromethyl)-1H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 110842494 A, 授权公告日 2019-05-05.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2025, 174, 4300-4310.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2016, 2179, 1256-1284.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-cyclopropyl-3-(difluoromethyl)-1H-pyrazole-5-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2021, 2447, (7), 1792-1809.