1-[2,5-Dideoxy-5-[[2-(2,4-dichlorophenoxy)-1-oxopropyl]amino]-2-fluoro-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

Uridine, 5'-amino-2',5'-dideoxy-5-propyl-

Uridine, 2',5'-dideoxy-5-ethyl-5'-[[(4-hydroxy-2,6-dimethylphenyl)acetyl]amino]-, 3'-acetate

Uridine, 2',5'-dideoxy-5-ethyl-5'-[(9H-fluoren-9-ylcarbonyl)amino]-

2'-Oxo-3',5'-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]thymidine

5'-Thymidylic acid, 2'-methylene-

Thymidine, 2'-ethylidene-

1-(2-Deoxy-2-methyl-β-D-arabinofuranosyl)-4-ethoxy-5-methyl-2(1H)-pyrimidinone

Uridine, 4-O-ethyl-5-methyl-2'-C-methyl-3',5'-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Thymidine, 4-O-ethyl-2'-oxo-3',5'-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Uridine, 4-O-ethyl-5-methyl-

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

Guanosine, 5'-O-[(4-methoxyphenyl)diphenylmethyl]-N-(2-methyl-1-oxopropyl)-, 3'-acetate 2'-(hydrogen butanedioate)

Guanosine, 5'-O-[(4-methoxyphenyl)diphenylmethyl]-N-(2-methyl-1-oxopropyl)-, 2'-acetate 3'-(hydrogen butanedioate)

Cytidine, N-benzoyl-5'-O-[(4-methoxyphenyl)diphenylmethyl]-, 3'-acetate 2'-(hydrogen butanedioate)

Cytidine, N-benzoyl-5'-O-[(4-methoxyphenyl)diphenylmethyl]-, 2'-acetate 3'-(hydrogen butanedioate)

Adenosine, N-benzoyl-5'-O-[(4-methoxyphenyl)diphenylmethyl]-, 2'-acetate 3'-(hydrogen butanedioate)

Adenosine, N-benzoyl-, 2'-acetate

4-(Phenylmethoxy)-1-[2,3,5-tris-O-(phenylmethyl)-β-D-arabinofuranosyl]-1H-pyrazolo[3,4-b]pyridine

Guanosine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-N-(diphenylacetyl)-3'-O-[methyl[[6-(trifluoromethyl)-1H-benzotriazol-1-yl]oxy]phosphinothioyl]-