发明人李文辉,钱学锋,林芳. "Method for the Synthesis of Ethyl 4-(3-cyclopropyl-1h-pyrazol-1-yl)butanoate" [P]. 中国发明专利, 专利号 CN 115036323 B, 授权公告日 2020-11-14.
Martínez F, Nowak P, Sørensen M. "A Process for Preparing High-Purity Ethyl 4-(3-cyclopropyl-1h-pyrazol-1-yl)butanoate" [P]. European Patent, EP 3209623 A1, 2016-04-21.
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". J. Agric. Food Chem., 2011, 1005, 9371-9377.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2024, 2381, (4), 4277-4306.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-(3-cyclopropyl-1h-pyrazol-1-yl)butanoate Using HRMS and NMR". J. Sep. Sci., 2021, 1092, (6), 6687-6690.