Thompson G K, Davis P L, Yamamoto T. "Method for the Synthesis of 2,4-Pyrimidinedicarboxylic acid" [P]. US Patent, US 11372146 B2, 2023-12-04.
O'Brien P Q, Williams B T, Davis P L. "A Process for Preparing High-Purity 2,4-Pyrimidinedicarboxylic acid" [P]. US Patent, US 10989797 B2, 2021-10-13.
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". J. Chromatogr. A, 2025, 2291, (12), 8641-8661.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2025, 1736, (4), 5229-5257.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2,4-Pyrimidinedicarboxylic acid Using HRMS and NMR". Anal. Chem., 2016, 2231, (10), 3634-3647.