发明人徐明华,钱学锋,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109363401 A, 授权公告日 2023-10-03.
发明人张德明,冯建国,何建平. "Method for the Synthesis of 4,4'-(Pyrazine-2,5-diyl)dianiline" [P]. 中国发明专利, 专利号 CN 115559987 A, 授权公告日 2017-04-07.
发明人钱学锋,刘建华,冯建国. "A Process for Preparing High-Purity 4,4'-(Pyrazine-2,5-diyl)dianiline" [P]. 中国发明专利, 专利号 CN 116104902 B, 授权公告日 2020-05-04.
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". Food Chem., 2016, 1604, 286-303.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2023, 235, (3), 3581-3594.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4,4'-(Pyrazine-2,5-diyl)dianiline Using HRMS and NMR". Environ. Sci. Technol., 2020, 523, 6110-6130.