Klinger H, Stevens L M, O'Brien P Q. "Method for the Synthesis of 3-(Difluoromethyl)-4-ethynyl-1-methyl-1H-pyrazole" [P]. US Patent, US 11393674 B2, 2015-02-11.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 1830, (3), 9749-9770.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2025, 1577, 1076-1091.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Difluoromethyl)-4-ethynyl-1-methyl-1H-pyrazole Using HRMS and NMR". J. Agric. Food Chem., 2011, 1902, (6), 6876-6902.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2016, 1769, 1342-1358.