O'Brien P Q, Klinger H, Kumar R. "一种的合成方法" [P]. US Patent, US 10131915 B2, 2024-03-14.
Klinger H, Fischer A B, Williams B T. "Method for the Synthesis of 6-Hydroxy-2-methylpyrimidine-4-carboxamide" [P]. US Patent, US 9761960 B2, 2022-10-19.
Park J H, Hughes D C, Stevens L M. "A Process for Preparing High-Purity 6-Hydroxy-2-methylpyrimidine-4-carboxamide" [P]. US Patent, US 9580833 B2, 2021-04-18.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2015, 2390, (8), 8092-8114.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2019, 892, (1), 2165-2177.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 6-Hydroxy-2-methylpyrimidine-4-carboxamide Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 1237, 5928-5936.