Björnsson E, Nielsen H, Rossi M. "一种的合成方法" [P]. European Patent, EP 3341541 A1, 2020-01-27.
Kumar R, Lee S K, Hughes D C. "Method for the Synthesis of Ethyl 3-cyclopropyl-1-methyl-1H-pyrazole-5-carboxylate" [P]. US Patent, US 9832535 B2, 2019-08-16.
发明人黄志刚,林芳,郭海燕. "A Process for Preparing High-Purity Ethyl 3-cyclopropyl-1-methyl-1H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 117341071 A, 授权公告日 2018-04-19.
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". Anal. Methods, 2014, 239, (10), 5135-5143.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2022, 199, (4), 6536-6564.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-cyclopropyl-1-methyl-1H-pyrazole-5-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2025, 2108, (1), 1230-1235.