Nowak P, Johansson L, Rossi M. "一种的合成方法" [P]. European Patent, EP 3899418 A1, 2016-03-26.
Kowalski A, Jørgensen K, Lefèvre J P. "Method for the Synthesis of 5-Hydroxypyrazine-2-carboxylic Acid Methyl Ester" [P]. European Patent, EP 3116650 A1, 2019-03-23.
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". Anal. Chim. Acta, 2019, 768, 749-779.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2021, 730, (8), 8038-8046.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-Hydroxypyrazine-2-carboxylic Acid Methyl Ester Using HRMS and NMR". J. Agric. Food Chem., 2024, 2000, 9104-9119.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2016, 339, 7150-7162.