{6-Benzyloxy-9-[(2R,4S,5R)-5-(tert-butyl-dimethyl-silanyloxymethyl)-4-hydroxy-tetrahydro-furan-2-yl]-9H-purin-2-yl}-carbamic acid benzyl ester

{6-Benzyloxy-9-[(2R,4S,5R)-4-(tert-butyl-dimethyl-silanyloxy)-5-hydroxymethyl-tetrahydro-furan-2-yl]-9H-purin-2-yl}-carbamic acid benzyl ester

9-<3',5'-bis-O-(tert-butyldimethylsilyl)-2'-deoxy-β-D-erythro-pentofuranosyl>-6-(phenylthio)-2-ureidopurine

2-amino-6-<(benzyloxycarbonyl)amino>-9-<3',5'-bis-O-(tert-butyldimethylsilyl)-2'-deoxy-β-D-erythro-pentofuranosyl>purine