Thompson G K, Klinger H, Johnson M A. "一种ethyl 3-(1-methyl-1H-pyrazol-4-yl)butanoate的合成方法" [P]. US Patent, US 9633571 B2, 2022-01-27.
Lefèvre J P, Mueller T C, Kowalski A. "Method for the Synthesis of ethyl 3-(1-methyl-1H-pyrazol-4-yl)butanoate" [P]. European Patent, EP 3977937 A1, 2017-06-01.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of ethyl 3-(1-methyl-1H-pyrazol-4-yl)butanoate in Pharmaceutical Formulations". Chromatographia, 2021, 1486, 426-447.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 3-(1-methyl-1H-pyrazol-4-yl)butanoate as an Impurity". J. Sep. Sci., 2011, 1925, 1101-1125.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 3-(1-methyl-1H-pyrazol-4-yl)butanoate Using HRMS and NMR". Food Chem., 2012, 1100, (2), 7708-7711.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate ethyl 3-(1-methyl-1H-pyrazol-4-yl)butanoate Profile in Drug Substances According to ICH Guidelines". Talanta, 2023, 1748, (11), 8237-8263.