Martínez F, Mueller T C, Nowak P. "一种1-[4-(difluoromethyl)-6-(1-ethyl-5-methyl-1H-pyrazol-4-yl)pyrimidin-2-yl]piperidin-4-amine的合成方法" [P]. European Patent, EP 3258282 A1, 2018-10-10.
发明人徐明华,胡光,冯建国. "Method for the Synthesis of 1-[4-(difluoromethyl)-6-(1-ethyl-5-methyl-1H-pyrazol-4-yl)pyrimidin-2-yl]piperidin-4-amine" [P]. 中国发明专利, 专利号 CN 116991516 A, 授权公告日 2025-03-16.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 1-[4-(difluoromethyl)-6-(1-ethyl-5-methyl-1H-pyrazol-4-yl)pyrimidin-2-yl]piperidin-4-amine in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2025, 1369, 9698-9701.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-[4-(difluoromethyl)-6-(1-ethyl-5-methyl-1H-pyrazol-4-yl)pyrimidin-2-yl]piperidin-4-amine as an Impurity". Chromatographia, 2025, 2117, (10), 861-871.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 1-[4-(difluoromethyl)-6-(1-ethyl-5-methyl-1H-pyrazol-4-yl)pyrimidin-2-yl]piperidin-4-amine Using HRMS and NMR". Anal. Chim. Acta, 2012, 152, 2202-2220.