Thompson G K, Park J H, Kumar R. "Method for the Synthesis of Methyl 1-tert-butyl-5-methyl-1h-pyrazole-4-carboxylate" [P]. US Patent, US 9842138 B2, 2015-01-07.
Kowalski A, Nielsen H, Lefèvre J P. "A Process for Preparing High-Purity Methyl 1-tert-butyl-5-methyl-1h-pyrazole-4-carboxylate" [P]. European Patent, EP 3343251 A1, 2025-02-11.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2017, 2295, (6), 2405-2424.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2021, 1141, 1054-1071.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 1-tert-butyl-5-methyl-1h-pyrazole-4-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2025, 2345, (8), 2096-2112.