发明人刘建华,韩伟,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109649575 A, 授权公告日 2020-08-13.
发明人郭海燕,郑宇鹏,韩伟. "Method for the Synthesis of Ethyl 5-bromo-1-phenyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 113905053 A, 授权公告日 2019-02-17.
Patel M V, Williams B T, Park J H. "A Process for Preparing High-Purity Ethyl 5-bromo-1-phenyl-1H-pyrazole-4-carboxylate" [P]. US Patent, US 10591734 B2, 2018-08-07.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 1616, 9260-9264.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2024, 2304, 5797-5815.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-bromo-1-phenyl-1H-pyrazole-4-carboxylate Using HRMS and NMR". Sci. Total Environ., 2025, 763, (1), 5603-5630.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2023, 116, (6), 9862-9889.