2,6-dimethoxy-9-(2,3-bis-O-tert-butyldimetylsilyl-β-D-ribofuranosyl)-9H-purine

9-((2R,3R,4R,5R)-3,4-bis((tert-butyldimethylsilyl)oxy)-5-(((tert-butyldimethylsilyl)oxy)methyl)tetrahydrofuran-2-yl)-6-chloro-9H-purin-2-amine

甲基碘

2-氯-6-氨基嘌呤

6-amino-2-nitro-9-(2',3',5'-tri-O-acetyl-β-D-ribofuranosyl)-purine