发明人韩伟,林芳,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108869004 A, 授权公告日 2020-05-07.
发明人王建平,李文辉,杨光. "Method for the Synthesis of 4,6-Dimethylpyrimidine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 116363263 B, 授权公告日 2022-06-01.
发明人钱学锋,黄志刚,冯建国. "A Process for Preparing High-Purity 4,6-Dimethylpyrimidine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 114978734 A, 授权公告日 2025-09-16.
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". J. Sep. Sci., 2023, 603, 8424-8447.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2018, 2062, 7105-7120.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4,6-Dimethylpyrimidine-2-carboxamide Using HRMS and NMR". Molecules, 2010, 689, (2), 5480-5486.