发明人杨光,黄志刚,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109192829 A, 授权公告日 2022-07-05.
Chen K W, Roberts E F, Johnson M A. "Method for the Synthesis of 4-Bromo-1-ethyl-1H-pyrazole-5-carboxylic acid" [P]. US Patent, US 10876097 B2, 2019-02-17.
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". Sci. Total Environ., 2012, 1800, (7), 8857-8874.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2025, 2343, (4), 8297-8303.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-1-ethyl-1H-pyrazole-5-carboxylic acid Using HRMS and NMR". Phytochemistry, 2025, 213, (11), 9944-9966.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2011, 2008, (5), 806-830.