9-[(E)-5,6,7-trideoxy-7-({[6-(4-fluorophenyl)-2,2-diphenyl-1,3-benzodioxol-4-yl]carbonyl}amino)-2,3-O-(1-methylethylidene)-β-D-ribo-hept-5-enofuranosyl]-9H-purin-6-amine

9-[(E)-5,6,7-trideoxy-2,3-O-(1-methylethylidene)-7-({[6-(4-methylphenyl)-2,2-diphenyl-1,3-benzodioxol-4-yl]carbonyl}amino)-β-D-ribo-hept-5-enofuranosyl]-9H-purin-6-amine

9-[(E)-5,6,7-trideoxy-7-[({6-[(E)-3-(dimethylamino)-3-oxoprop-1-enyl]-2,2-diphenyl-1,3-benzodioxol-4-yl}carbonyl)amino]-2,3-O-(1-methylethylidene)-β-D-ribo-hept-5-enofuranosyl]-9H-purin-6-amine

9-[(E)-5,6,7-trideoxy-7-({[6-(1-methylethyl)-2,2-diphenyl-1,3-benzodioxol-4-yl]carbonyl}amino)-2,3-O-(1-methylethylidene)-β-D-ribo-hept-5-enofuranosyl]-9H-purin-6-amine

9-[(E)-7-({[2,2-bis(4-methoxyphenyl)-6-(trifluoromethyl)-1,3-benzodioxol-4-yl]carbonyl}amino)-5,6,7-trideoxy-2,3-O-(1-methylethylidene)-β-D-ribo-hept-5-enofuranosyl]-9H-purin-6-amine