Chen K W, Fischer A B, Schröder R. "一种的合成方法" [P]. US Patent, US 9800812 B2, 2019-06-23.
发明人徐明华,郭海燕,钱学锋. "Method for the Synthesis of (2R,3R,4S,5R)-2-(2-Amino-6-(dimethylamino)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol" [P]. 中国发明专利, 专利号 CN 111723074 B, 授权公告日 2024-06-11.
发明人黄志刚,马晓峰,杨光. "A Process for Preparing High-Purity (2R,3R,4S,5R)-2-(2-Amino-6-(dimethylamino)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol" [P]. 中国发明专利, 专利号 CN 112505136 B, 授权公告日 2021-04-17.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2011, 221, (6), 5628-5651.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2011, 221, (2), 2266-2293.