Rossi M, Schröder R, Nowak P. "Method for the Synthesis of 2-[1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]acetic acid" [P]. European Patent, EP 3951015 A1, 2024-12-14.
O'Brien P Q, Yamamoto T, Lee S K. "A Process for Preparing High-Purity 2-[1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]acetic acid" [P]. US Patent, US 11044165 B2, 2019-06-11.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2014, 372, (10), 9820-9845.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2023, 169, (4), 3790-3806.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2-[1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]acetic acid Using HRMS and NMR". Sci. Total Environ., 2023, 2358, (2), 5506-5515.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2022, 1803, (8), 2845-2869.