5-[4-C-[(Benzoyloxy)methyl]-5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-3,4-dihydro-N-methyl-2,4-dioxo-1(2H)-pyrimidineacetamide

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidineacetamide

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-3,4-dihydro-N-methyl-2,4-dioxo-1(2H)-pyrimidinepropanamide

Ethyl-5-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidineacetate

Guanosine, 2'-Deoxy-,5'-(Ethyl Carbonate) (9ci)

Disodium;[[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-3-hydroxy-4-phosphonooxyoxolan-2-yl]methoxy-hydroxyphosphoryl] [(2R,3S,4R,5R)-5-(3-carbamothioylpyridin-1-ium-1-yl)-3,4-dihydroxyoxolan-2-yl]methyl phosphate

8,5'-Cyclo(Deoxyadenosine 5'-Monophosphonate)

Uridine 5'-tetraphosphate

Thymidine 5'-(pentahydrogen tetraphosphate)

(E)-5-(2-Bromo-2-fluorovinyl)-6-aza-2'-deoxy-uridine

6-(2,2-Difluoro-2-methoxyethyl)-2-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,2,4-triazine-3,5-dione

5-(3-Furyl)-6-Aza-2'-Deoxyuridine

5-Formyl-6-Aza-2'-Deoxyuridine

(E)-5-(2-Carbomethoxyvinyl)-6-Aza-2'-Deoxyuridine

(E)-5-(2-Chlorovinyl)-6-aza-2'-deoxyuridine

5-Mercuricytidine carbonate 5'-triphosphate triethylammonium salt

N',N'-Dimethyl-N4-Aminocytidine

N-Methyl-N-(Methylamino)Cytidine

N'-(2-Hydroxyethyl)-N4-Aminocytidine

6-Hydroxy-5,6-dihydrouridine