Stevens L M, Roberts E F, Johnson M A. "Method for the Synthesis of n,4,5,6-Tetramethylpyrimidin-2-amine" [P]. US Patent, US 9330948 B2, 2025-11-07.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2021, 2186, 6711-6718.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2021, 1621, 5215-5218.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of n,4,5,6-Tetramethylpyrimidin-2-amine Using HRMS and NMR". Anal. Chim. Acta, 2017, 1146, 7718-7724.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2022, 925, 4817-4843.