Johansson L, Björnsson E, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3138791 A1, 2015-10-16.
发明人徐明华,胡光,赵玉洁. "Method for the Synthesis of 4-Bromo-1-ethyl-3,5-dimethyl-1h-pyrazole" [P]. 中国发明专利, 专利号 CN 109804704 B, 授权公告日 2015-05-15.
Hughes D C, Stevens L M, Lee S K. "A Process for Preparing High-Purity 4-Bromo-1-ethyl-3,5-dimethyl-1h-pyrazole" [P]. US Patent, US 9784531 B2, 2022-04-19.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2011, 331, 8204-8218.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2025, 1124, (8), 7603-7626.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-1-ethyl-3,5-dimethyl-1h-pyrazole Using HRMS and NMR". Chromatographia, 2025, 1318, 2564-2578.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2021, 195, (5), 4455-4480.