N2-[10R-(7R,8S,9S-triacetoxy-7,8,9,10-tetrahydrobenzo[a]pyrenyl)]-O6-allyl-3',5'-di-O-(tert-butyldimethylsilyl)-2'-deoxyguanosine

2'-deoxy-6-N-{2-[(1,3-diaza-3-methyl-2-oxophenoxazin-9-yl)oxy]ethyl}-2-(phenoxyacetylamino)adenosine

N-(9-((2R,4S,5R)-5-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-hydroxytetrahydrofuran-2-yl)-6-((2-((3-methyl-2-oxo-2,10-dihydro-3H-benzo[b]pyrimido[4,5-e][1,4]oxazin-9-yl)oxy)ethyl)amino)-9H-purin-2-yl)-2-phenoxyacetamide

1-cyclohexyl-3-(9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-6-oxo-6,9-dihydro-1H-purin-2-yl)-1-methylurea