Williams B T, Chen K W, Kumar R. "一种的合成方法" [P]. US Patent, US 10759257 B2, 2021-01-03.
发明人孙丽萍,郭海燕,李文辉. "Method for the Synthesis of 5-((5-Amino-4-((3-aminopropyl)amino)pyridin-2-yl)amino)pyrazine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 110346911 B, 授权公告日 2024-03-01.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2012, 1131, (9), 8852-8865.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2011, 2397, (1), 5172-5198.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 5-((5-Amino-4-((3-aminopropyl)amino)pyridin-2-yl)amino)pyrazine-2-carbonitrile Using HRMS and NMR". J. Pharm. Biomed. Anal., 2017, 1420, 8483-8510.