发明人马晓峰,王建平,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114638543 A, 授权公告日 2018-07-05.
O'Brien P Q, Mueller T, Park J H. "Method for the Synthesis of N'-(9-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-oxo-2,9-dihydro-1H-purin-6-yl)-N,N-dimethylformimidamide" [P]. US Patent, US 11862795 B2, 2022-08-07.
发明人李文辉,何建平,高志强. "A Process for Preparing High-Purity N'-(9-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-oxo-2,9-dihydro-1H-purin-6-yl)-N,N-dimethylformimidamide" [P]. 中国发明专利, 专利号 CN 108958313 B, 授权公告日 2022-04-22.
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