发明人何建平,周伟,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116305663 A, 授权公告日 2018-02-10.
发明人马晓峰,胡光,杨光. "Method for the Synthesis of 5-Bromo-2-pyrazinecarboxylic acid" [P]. 中国发明专利, 专利号 CN 109169106 B, 授权公告日 2016-01-02.
发明人钱学锋,刘建华,周伟. "A Process for Preparing High-Purity 5-Bromo-2-pyrazinecarboxylic acid" [P]. 中国发明专利, 专利号 CN 116614165 A, 授权公告日 2021-06-19.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 1787, (1), 652-673.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2016, 1324, (9), 5530-5536.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 5-Bromo-2-pyrazinecarboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2019, 1153, (12), 7097-7103.