2,4(1H,3H)-Pyrimidinedione, 1-[1,3-dideoxy-1-(dimethoxyphosphinyl)-β-D-erythro-2-hexulofuranosyl]-

1-[3-Deoxy-4,6-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-erythro-2-hexulofuranosyl]-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-[1,3-dideoxy-1-(dimethoxyphosphinyl)-4,6-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-erythro-2-hexulofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[1,3-dideoxy-1-(hydroxymethoxyphosphinyl)-β-D-erythro-2-hexulofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 1-[1,3-dideoxy-1-(hydroxymethoxyphosphinyl)-4,6-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-erythro-2-hexulofuranosyl]-

1-(2-Deoxy-2-fluoro-5-O-phosphono-β-D-arabinofuranosyl)-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-[(2R,3R,3aR,8aS,11aS)-hexahydro-3-iodo-5,5,7,7-tetrakis(1-methylethyl)-2H-cyclopenta[f]furo[2,3-g][1,3,5,2,4]trioxadisilocin-2-yl]-5-methyl-

2'-Deoxy-8-[2-(trimethylsilyl)ethynyl]adenosine

N-[3-[2-[2-(3-Aminopropoxy)ethoxy]ethoxy]propyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5-methylcytidine

2'-O-Methyluridylyl-(3'→5')-P-deoxy-P-methyl-2'-O-methyluridylyl-(3'→5')-2'-O-methylcytidine

(2R,3R,3aR,10aS)-6,8-Dichloro-2,3,3a,10a-tetrahydro-3-hydroxyfuro[2',3':4,5]oxazolo[3,2-a]benzimidazole-2-methanol

1-[(1R,3R,4S,5R)-4-(Acetyloxy)-3-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-6-(2-phenoxyacetyl)-2-oxa-6-azabicyclo[3.2.0]hept-1-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(2R,3R,3aR,7aR)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]hexahydro-3a-hydroxy-5-oxo-2H-furo[2,3-c]pyran-2-yl]-3-(hydroxymethyl)-2,4(1H,3H)-pyrimidinedione

Carbonic acid, [(2R,5S)-5-(4-amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)tetrahydro-2-furanyl]methyl [(2R,5R)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2-ethynyl-2,5-dihydro-2-furanyl]methyl ester

2'-O-Methyladenylyl-(3'→5')-2'-C-methylcytidine

2'-O-Methyl-P-thioguanylyl-(3'→5')-2'-C-methylcytidine

Phosphoric acid, mono[[(2R,5S)-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)tetrahydro-2-furanyl]methyl] mono[[(2R,5R)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2-ethynyl-2,5-dihydro-2-furanyl]methyl] ester

2,4(1H,3H)-Pyrimidinedione, 1-[(5S,6R,8R,9R)-9-hydroxy-6-(hydroxymethyl)-2,2-dioxido-4-oxo-1,7-dioxa-2-thiaspiro[4.4]non-8-yl]-5-methyl-

Phosphoric acid, mono[[(2R,5S)-5-(6-amino-9H-purin-9-yl)tetrahydro-2-furanyl]methyl] mono[[(2R,5R)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2-ethynyl-2,5-dihydro-2-furanyl]methyl] ester

Phosphoric acid, mono[[(2R,5R)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2-ethynyl-2,5-dihydro-2-furanyl]methyl] mono[[(2R,5S)-5-(1,6-dihydro-6-oxo-9H-purin-9-yl)tetrahydro-2-furanyl]methyl] ester