发明人徐明华,陈志强,高志强. "Method for the Synthesis of 7,7'-(Azanediylbis(ethane-2,1-diyl))bis(2-amino-1,7-dihydro-6H-purin-6-one)" [P]. 中国发明专利, 专利号 CN 111678543 B, 授权公告日 2016-10-24.
Davis P L, Yamamoto T, Chen K W. "A Process for Preparing High-Purity 7,7'-(Azanediylbis(ethane-2,1-diyl))bis(2-amino-1,7-dihydro-6H-purin-6-one)" [P]. US Patent, US 10846292 B2, 2015-04-03.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". Chemosphere, 2012, 690, (2), 3799-3824.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". J. Agric. Food Chem., 2014, 1358, (1), 5576-5583.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 7,7'-(Azanediylbis(ethane-2,1-diyl))bis(2-amino-1,7-dihydro-6H-purin-6-one) Using HRMS and NMR". Talanta, 2010, 1908, (9), 6350-6373.