Schröder R, Jørgensen K, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3495612 A1, 2016-02-06.
发明人高志强,李文辉,何建平. "Method for the Synthesis of Pyrazine-2,3,5,6-tetracarboxylic acid" [P]. 中国发明专利, 专利号 CN 116827917 A, 授权公告日 2015-12-07.
发明人郑宇鹏,徐明华,钱学锋. "A Process for Preparing High-Purity Pyrazine-2,3,5,6-tetracarboxylic acid" [P]. 中国发明专利, 专利号 CN 112085088 A, 授权公告日 2017-10-22.
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". J. Agric. Food Chem., 2016, 1546, (2), 3046-3066.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2022, 1218, (8), 9483-9506.