Williams B T, Chen K W, Hughes D C. "Method for the Synthesis of 4,6-Dimethoxypyrimidine-2-carboxylic Acid" [P]. US Patent, US 10401762 B2, 2020-04-09.
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 4,6-二甲氧基嘧啶-2-甲酸 in Pharmaceutical Formulations". Sci. Total Environ., 2020, 643, 7591-7596.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4,6-二甲氧基嘧啶-2-甲酸 as an Impurity". Rapid Commun. Mass Spectrom., 2020, 1050, 4075-4084.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4,6-Dimethoxypyrimidine-2-carboxylic Acid Using HRMS and NMR". Molecules, 2018, 2097, (7), 9077-9091.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 4,6-二甲氧基嘧啶-2-甲酸 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2025, 1781, 7391-7403.