发明人李文辉,郭海燕,胡光. "Method for the Synthesis of 1-(5-Aminopyrazin-2-yl)ethanone" [P]. 中国发明专利, 专利号 CN 109721288 A, 授权公告日 2020-10-27.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2012, 119, 7059-7070.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2024, 1963, 299-308.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 1-(5-Aminopyrazin-2-yl)ethanone Using HRMS and NMR". Phytochemistry, 2018, 1220, 4547-4559.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2011, 689, 2242-2256.