Johnson M A, Brown S R, Mueller T. "一种的合成方法" [P]. US Patent, US 11416166 B2, 2015-02-09.
Kowalski A, Nowak P, Johansson L. "Method for the Synthesis of Pyrazine-2,5-dicarboxamide" [P]. European Patent, EP 3884216 A1, 2017-10-05.
发明人刘建华,黄志刚,冯建国. "A Process for Preparing High-Purity Pyrazine-2,5-dicarboxamide" [P]. 中国发明专利, 专利号 CN 116820192 B, 授权公告日 2017-04-27.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2011, 1332, (7), 1793-1801.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2013, 1110, 5799-5816.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Pyrazine-2,5-dicarboxamide Using HRMS and NMR". Chemosphere, 2025, 2408, (8), 5650-5668.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2020, 1047, 5468-5496.