发明人林芳,郭海燕,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110035097 A, 授权公告日 2016-10-22.
Johnson M A, Hughes D C, Fischer A B. "Method for the Synthesis of N1-(pyrazin-2-yl)ethane-1,2-diamine" [P]. US Patent, US 9618009 B2, 2019-05-20.
Mueller T, Patel M V, Roberts E F. "A Process for Preparing High-Purity N1-(pyrazin-2-yl)ethane-1,2-diamine" [P]. US Patent, US 10596601 B2, 2019-09-03.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2013, 2322, 3354-3360.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2015, 1413, (5), 6800-6809.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of N1-(pyrazin-2-yl)ethane-1,2-diamine Using HRMS and NMR". Biomed. Chromatogr., 2018, 498, (9), 9961-9983.