发明人刘建华,郑宇鹏,郭海燕. "Method for the Synthesis of 1-Ethyl-5-fluoro-3-methyl-1H-pyrazole" [P]. 中国发明专利, 专利号 CN 115739739 A, 授权公告日 2020-08-02.
Stevens L M, Schröder R, Yamamoto T. "A Process for Preparing High-Purity 1-Ethyl-5-fluoro-3-methyl-1H-pyrazole" [P]. US Patent, US 9192679 B2, 2017-01-08.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2022, 1075, 5654-5671.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2016, 454, (5), 2463-2490.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-5-fluoro-3-methyl-1H-pyrazole Using HRMS and NMR". Sci. Total Environ., 2011, 1725, (7), 9014-9040.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2016, 1698, 6538-6557.