发明人马晓峰,周伟,何建平. "Method for the Synthesis of 5-methoxy-2-Pyrazinecarboxylic acid methyl ester" [P]. 中国发明专利, 专利号 CN 109997429 B, 授权公告日 2015-05-05.
发明人韩伟,李文辉,何建平. "A Process for Preparing High-Purity 5-methoxy-2-Pyrazinecarboxylic acid methyl ester" [P]. 中国发明专利, 专利号 CN 112921371 A, 授权公告日 2024-11-17.
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". Chemosphere, 2019, 1447, (12), 3886-3905.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2023, 2118, (9), 5441-5470.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 5-methoxy-2-Pyrazinecarboxylic acid methyl ester Using HRMS and NMR". J. Pharm. Biomed. Anal., 2025, 1037, (7), 1581-1592.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2011, 1357, 1686-1713.