Guanosine, 8-[[3-[(4-azido-2,3,5,6-tetrafluorobenzoyl)amino]propyl]amino]adenylyl-(3′→5′)-uridylyl-(3′→5′)-

Guanosine, 8-[(3-aminopropyl)amino]adenylyl-(3′→5′)-uridylyl-(3′→5′)-

Adenosine, 8-[(3-aminopropyl)amino]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(tetrahydro-2H-pyran-2-yl)-, 3′-(hydrogen phosphonate)

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-8-bromo-2′-O-(tetrahydro-2H-pyran-2-yl)-, 3′-(hydrogen phosphonate)

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-8-bromo-2′-O-(tetrahydro-2H-pyran-2-yl)-

Adenosine, N-benzoyl-8-bromo-2′-O-(tetrahydro-2H-pyran-2-yl)-

Adenosine, N-benzoyl-8-bromo-2′-O-(tetrahydro-2H-pyran-2-yl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Adenosine, 8-bromo-2′-O-(tetrahydro-2H-pyran-2-yl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

rel-1-[(1R,3S)-1,3-Dihydro-3-(hydroxymethyl)-1-isobenzofuranyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

rel-1-[(1R,3R)-1,3-Dihydro-3-[(phenylmethoxy)methyl]-1-isobenzofuranyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

rel-1-[(1R,3S)-1,3-Dihydro-3-[(phenylmethoxy)methyl]-1-isobenzofuranyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Thymidine, (R)-P-deoxy-P-fluoro-P-thiothymidylyl-(3′→5′)-

Thymidine, P(Se)-methyl-P-seleno-P-thiothymidylyl-(3′→5′)-

Thymidine, (R)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-fluoro-P-thiothymidylyl-(3′→5′)-, 3′-acetate

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(Se)-methyl-P-seleno-P-thiothymidylyl-(3′→5′)-, 3′-acetate

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-seleno-P-thiothymidylyl-(3′→5′)-, 3′-acetate

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-(2-selenido-1,3,2-dithiaphospholan-2-yl)-

N-[1-[3,5-Bis-O-(2-methylbenzoyl)-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-2-methylbenzamide

Cytidine, 2′-deoxy-N-(2-methylbenzoyl)-2′-oxo-, 3′,5′-bis(2-methylbenzoate)

2-Propenoic acid, 3-[1-(2-deoxy-2-fluoro-β-D-arabinofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-, ethyl ester, (E)-