发明人冯建国,何建平,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112122302 A, 授权公告日 2023-01-22.
发明人罗永刚,陈志强,刘建华. "Method for the Synthesis of 4-Ethyl-6-hydroxy-2-methylpyrimidine-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 115304634 A, 授权公告日 2017-04-06.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2019, 670, 7258-7275.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2013, 2011, (2), 8344-8348.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethyl-6-hydroxy-2-methylpyrimidine-5-carbonitrile Using HRMS and NMR". Chemosphere, 2022, 832, 4728-4758.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2014, 177, (8), 4549-4567.