N-(2-Aminoethyl)-5-[3,5-O-[bis(1,1-dimethylethyl)silylene]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinepropanamide

2,4(1H,3H)-Pyrimidinedione,5-[2-O-(1H-imidazol-1-ylthioxomethyl)-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-ribofuranosyl]-1-methyl-

PhenylmethylN-[2-[3,4-dihydro-2,4-dioxo-5-[2-O-(methylsulfonyl)-3,5-O-[[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]bis(methylene)]-β-D-ribofuranosyl]-1(2H)-pyrimidinyl]ethyl]carbamate

Ethyl5-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-(2-methoxyethyl)-β-D-ribofuranosyl]-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidineacetate

N-[2-[5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-(2-methoxyethyl)-β-D-ribofuranosyl]-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl]ethyl]-2,2,2-trifluoroacetamide

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-(2-methoxyethyl)-β-Dribofuranosyl]-3,4-dihydro-N,N-dimethyl-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]-1-[2-(dimethylamino)ethyl]-2,4(1H,3H)-pyrimidinedione

5-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-(2-methoxyethyl)-β-Dribofuranosyl]-3,4-dihydro-N-methyl-2,4-dioxo-1(2H)-pyrimidineacetamide

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

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

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

Uridine 5'-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