发明人韩伟,王建平,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108428966 A, 授权公告日 2025-06-07.
发明人郭海燕,张德明,马晓峰. "Method for the Synthesis of Ethyl 1-(3-chlorophenyl)-5-methyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111780885 A, 授权公告日 2017-07-06.
发明人黄志刚,杨光,冯建国. "A Process for Preparing High-Purity Ethyl 1-(3-chlorophenyl)-5-methyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 116334434 B, 授权公告日 2021-04-22.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2013, 1636, 4120-4145.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2016, 1131, (9), 3668-3696.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-(3-chlorophenyl)-5-methyl-1H-pyrazole-4-carboxylate Using HRMS and NMR". Anal. Chem., 2024, 2399, (4), 6206-6224.