9-[6-[[[4-Amino-1-[2-(4-bromophenoxy)ethyl]-1,2-dihydro-2-oxo-5-pyrimidinyl]methyl]amino]-5,6-dideoxy-β-D-ribo-hexofuranosyl]-9H-purin-6-amine

9-[(6R)-1-[[[4-Amino-1,2-dihydro-2-oxo-1-(2-phenoxyethyl)-5-pyrimidinyl]methyl]amino]-1,2-dideoxy-L-ribo-hexofuranosyl]-9H-purin-6-amine

9-[6-[[[4-Amino-1-[2-(4-bromophenoxy)ethyl]-1,2-dihydro-2-oxo-5-pyrimidinyl]methyl]amino]-5,6-dideoxy-2,3-O-(1-methylethylidene)-β-D-ribo-hexofuranosyl]-9H-purin-6-amine

9-[(6R)-1-[[[4-Amino-1,2-dihydro-2-oxo-1-(2-phenoxyethyl)-5-pyrimidinyl]methyl]amino]-1,2-dideoxy-4,5-O-(1-methylethylidene)-L-ribo-hexofuranosyl]-9H-purin-6-amine

9-[(6R)-1-[[[4-Amino-1-[2-(4-bromophenoxy)ethyl]-1,2-dihydro-2-oxo-5-pyrimidinyl]methyl][(2-nitrophenyl)sulfonyl]amino]-1,2-dideoxy-4,5-O-(1-methylethylidene)-L-ribo-hexofuranosyl]-9H-purin-6-amine

9-[6-[[[4-Amino-1,2-dihydro-2-oxo-1-(2-phenoxyethyl)-5-pyrimidinyl]methyl][(2-nitrophenyl)sulfonyl]amino]-5,6-dideoxy-2,3-O-(1-methylethylidene)-β-D-ribo-hexofuranosyl]-9H-purin-6-amine

9-[(6R)-1-[[[4-Amino-1,2-dihydro-1-(methoxymethyl)-2-oxo-5-pyrimidinyl]methyl][(3S)-3-amino-4-hydroxy-4-oxobutyl]amino]-1,2-dideoxy-L-ribo-hexofuranosyl]-9H-purin-6-amine

9-[(6R)-1-[[[4-Amino-1,2-dihydro-1-(methoxymethyl)-2-oxo-5-pyrimidinyl]methyl][(3S)-4-(1,1-dimethylethoxy)-3-[[(1,1-dimethylethoxy)carbonyl]amino]-4-oxobutyl]amino]-1,2-dideoxy-4,5-O-(1-methylethylidene)-L-ribo-hexofuranosyl]-9H-purin-6-amine

9-[5,6-Dideoxy-6-[[(3S)-4-(1,1-dimethylethoxy)-3-[[(1,1-dimethylethoxy)carbonyl]amino]-4-oxobutyl]amino]-2,3-O-(1-methylethylidene)-β-D-ribo-hexofuranosyl]-9H-purin-6-amine

9-[6-[[[4-Amino-1,2-dihydro-1-(methoxymethyl)-2-oxo-5-pyrimidinyl]methyl]amino]-5,6-dideoxy-β-D-ribo-hexofuranosyl]-9H-purin-6-amine

9-[(6R)-1-[[[4-Amino-1,2-dihydro-1-(methoxymethyl)-2-oxo-5-pyrimidinyl]methyl]amino]-1,2-dideoxy-4,5-O-(1-methylethylidene)-L-ribo-hexofuranosyl]-9H-purin-6-amine

9-[6-[[[4-Amino-1,2-dihydro-1-(methoxymethyl)-2-oxo-5-pyrimidinyl]methyl][(2-nitrophenyl)sulfonyl]amino]-5,6-dideoxy-2,3-O-(1-methylethylidene)-β-D-ribo-hexofuranosyl]-9H-purin-6-amine