Cytidine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-5-methylcytidylyl-(3′→5′)-2′-deoxy-5-methylcytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-

Guanosine, N,N-dimethyl-, cyclic 2′,3′-[B-[4-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]phenyl]boronate] 5′-(hydrogen P-1H-imidazol-1-ylphosphonate)

Guanosine, N,N-dimethyl-, cyclic 2′,3′-(B-phenylboronate) 5′-(hydrogen P-1H-imidazol-1-ylphosphonate)

Phosphoramidous acid, bis(1-methylethyl)-, (2S,3aR,4R,6R,6aS)-4-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-6-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-2-[[4-[1-oxo-4-(1-pyrenyl)butyl]-1-piperazinyl]methyl]furo[3,4-b]furan-3a(4H)-yl 2-cyanoethyl ester

Phosphoramidous acid, bis(1-methylethyl)-, (2R,3aR,4R,6R,6aS)-4-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-6-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-2-[[4-[1-oxo-4-(1-pyrenyl)butyl]-1-piperazinyl]methyl]furo[3,4-b]furan-3a(4H)-yl 2-cyanoethyl ester

9H-Fluoren-9-ylmethyl 4-[[(2S,3aR,4R,6R,6aS)-4-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3a-[[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]oxy]-6-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)hexahydrofuro[3,4-b]furan-2-yl]methyl]-1-piperazinecarboxylate

9H-Fluoren-9-ylmethyl 4-[[(2R,3aR,4R,6R,6aS)-4-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3a-[[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]oxy]-6-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)hexahydrofuro[3,4-b]furan-2-yl]methyl]-1-piperazinecarboxylate

1-[(2S,3aR,4R,6R,6aS)-4-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]hexahydro-3a-hydroxy-2-[[4-[1-oxo-4-(1-pyrenyl)butyl]-1-piperazinyl]methyl]furo[3,4-b]furan-6-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(2R,3aR,4R,6R,6aS)-4-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]hexahydro-3a-hydroxy-2-[[4-[1-oxo-4-(1-pyrenyl)butyl]-1-piperazinyl]methyl]furo[3,4-b]furan-6-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

9H-Fluoren-9-ylmethyl 4-[[(2S,3aR,4R,6R,6aS)-4-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-6-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)hexahydro-3a-hydroxyfuro[3,4-b]furan-2-yl]methyl]-1-piperazinecarboxylate

9H-Fluoren-9-ylmethyl 4-[[(2R,3aR,4R,6R,6aS)-4-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-6-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)hexahydro-3a-hydroxyfuro[3,4-b]furan-2-yl]methyl]-1-piperazinecarboxylate

1-[(2S,3aR,4R,6R,6aS)-Hexahydro-3a-hydroxy-4-(hydroxymethyl)-2-[[4-[1-oxo-4-(1-pyrenyl)butyl]-1-piperazinyl]methyl]furo[3,4-b]furan-6-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(2R,3aR,4R,6R,6aS)-Hexahydro-3a-hydroxy-4-(hydroxymethyl)-2-[[4-[1-oxo-4-(1-pyrenyl)butyl]-1-piperazinyl]methyl]furo[3,4-b]furan-6-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

9H-Fluoren-9-ylmethyl 4-[[(2S,3aR,4R,6R,6aS)-6-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)hexahydro-3a-hydroxy-4-(hydroxymethyl)furo[3,4-b]furan-2-yl]methyl]-1-piperazinecarboxylate

9H-Fluoren-9-ylmethyl 4-[[(2R,3aR,4R,6R,6aS)-6-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)hexahydro-3a-hydroxy-4-(hydroxymethyl)furo[3,4-b]furan-2-yl]methyl]-1-piperazinecarboxylate

1-[(3aR,4R,6R,6aS)-Hexahydro-3a-hydroxy-4-(hydroxymethyl)-2-(1-piperazinylmethyl)furo[3,4-b]furan-6-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(3aR,4R,6R,6aS)-Hexahydro-3a-(phenylmethoxy)-4-[(phenylmethoxy)methyl]-2-(1-piperazinylmethyl)furo[3,4-b]furan-6-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(3aR,4R,6R,6aS)-Hexahydro-2-[[[(4-methylphenyl)sulfonyl]oxy]methyl]-3a-(phenylmethoxy)-4-[(phenylmethoxy)methyl]furo[3,4-b]furan-6-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Inosine, 2′-deoxy-5′-O-phosphonocytidylyl-(3′→5′)-2′-deoxy-

Guanylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-uridine