Klinger H, Davis P L, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 10793161 B2, 2016-06-06.
Davis P L, Johnson M A, Anderson J P. "Method for the Synthesis of 4-(1,3-Dimethyl-1h-pyrazol-4-yl)-2-hydrazinyl-6-(trifluoromethyl)pyrimidine" [P]. US Patent, US 11872633 B2, 2021-02-04.
Thompson G K, Roberts E F, Patel M V. "A Process for Preparing High-Purity 4-(1,3-Dimethyl-1h-pyrazol-4-yl)-2-hydrazinyl-6-(trifluoromethyl)pyrimidine" [P]. US Patent, US 9118408 B2, 2020-10-21.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2010, 1785, (9), 9865-9876.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2019, 550, (3), 50-62.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-(1,3-Dimethyl-1h-pyrazol-4-yl)-2-hydrazinyl-6-(trifluoromethyl)pyrimidine Using HRMS and NMR". Molecules, 2016, 648, 5507-5514.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2012, 319, 6067-6072.