Mueller T, Kumar R, Stevens L M. "一种的合成方法" [P]. US Patent, US 10437655 B2, 2021-12-11.
发明人郑宇鹏,黄志刚,冯建国. "Method for the Synthesis of N-(1-Ethyl-3,5-dimethyl-1H-pyrazol-4-yl)pyrazine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 108225050 B, 授权公告日 2022-10-28.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2011, 2409, 6578-6586.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2024, 201, 1684-1710.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of N-(1-Ethyl-3,5-dimethyl-1H-pyrazol-4-yl)pyrazine-2-carboxamide Using HRMS and NMR". Chromatographia, 2024, 616, (2), 1921-1949.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2012, 1222, 2410-2427.