Williams B T, Kumar R, Lee S K. "一种的合成方法" [P]. US Patent, US 10211104 B2, 2019-11-12.
Lee S K, Klinger H, Fischer A B. "Method for the Synthesis of 6-Methyl-2-{3-methyl-5-[(4-methylphenyl)amino]-1H-pyrazol-1-yl}-1,4-dihydropyrimidin-4-one" [P]. US Patent, US 9156779 B2, 2018-08-15.
Davis P L, Park J H, Johnson M A. "A Process for Preparing High-Purity 6-Methyl-2-{3-methyl-5-[(4-methylphenyl)amino]-1H-pyrazol-1-yl}-1,4-dihydropyrimidin-4-one" [P]. US Patent, US 11108158 B2, 2016-07-01.
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". Environ. Sci. Technol., 2024, 1558, (2), 4134-4143.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2010, 1046, 5104-5129.