发明人徐明华,沈红梅,唐晓军. "Method for the Synthesis of Ethyl 4-bromo-1-ethyl-5-methyl-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111692604 A, 授权公告日 2024-01-19.
发明人陈志强,赵玉洁,刘建华. "A Process for Preparing High-Purity Ethyl 4-bromo-1-ethyl-5-methyl-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108982377 B, 授权公告日 2015-12-17.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2015, 324, (5), 3743-3752.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2016, 441, (8), 4042-4047.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-bromo-1-ethyl-5-methyl-1H-pyrazole-3-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2023, 296, 2036-2049.