1-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4-C-phenyl-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

N-(4'-C-Ethenyl-P-phenyl-5'-uridylyl)-L-alanine-methylethylester

Uridine,5'-O-[(1,1-dimethylethyl)diphenylsilyl]-3'-O-(phenylmethyl)-4'-C-(1Z)-1-propen-1-yl-,2'-acetate

N,N'-(4'-C-Ethenyl-5'-cytidylylidene)bis[Lalanine]1,1'-dihexylester

Uridine,5'-O-[(1,1-dimethylethyl)diphenylsilyl]-4'-C-ethenyl-5-methyl-3'-O-(phenylmethyl)-,2'-acetate

N-(P-Phenyl-4'-C-1,2-propadien-1-yl-5'-uridylyl)-L-alaninemethylester

5'-Adenylic acid, 4'-C-ethenyl-, bis(4-methoxyphenyl) ester

N,N'-(4'-C-Ethenyl-5'-cytidylylidene)bis[Lalanine]1,1'-bis(1-methylethyl)ester

N-(4'-C-Ethenyl-P-phenyl-5'-cytidylyl)-Lalanineethylester

1-[2,6-Dideoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-4-C-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-2-fluoro-α-L-xylo-hexofuranos-5-ulos-1-yl]-2,4(1H,3H)-pyrimidinedione

Cytidine,N-benzoyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-4'-C-ethenyl-

1-[4-C-[(1Z)-2-Chloroethenyl]-2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-β-Darabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1R,5R,7R,8S)-8-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-5-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-4-ethenyl-6-oxabicyclo[3.2.1]oct-3-en-7-yl]-2,4(1H,3H)-pyrimidinedione

2-Amino-1,2,5-trideoxy-1-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-4-C-[(phenylmethoxy)methyl]-3-O-(phenylmethyl)-α-L-lyxo-hexofuranuronicacid

N,N'-(4'-C-Ethenyl-5'-uridylylidene)bis[Lalanine]1,1'-bis(3,3-dimethylbutyl)ester

N,N'-(4'-C-Ethenyl-5'-uridylylidene)bis[Lalanine]1,1'-bis(2,2-dimethylpropyl)ester

N-(2'-Deoxy-4'-C-ethenyl-2'-fluoro-P-phenyl-5'-uridylyl)-L-alanine-methylethylester

α-L-xylo-Hept-6-enofuranos-5-ulose,1,6,7-trideoxy-7-(dimethylamino)-1-[3-[(2,2-dimethyl-1-oxopropoxy)methyl]-3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl]-4-C-[(phenylmethoxy)methyl]-3-O-(phenylmethyl)-,2-(2,2-dimethylpropanoate)

N,N'-(3'-Deoxy-4'-C-ethenyl-3'-fluoro-5'-cytidylylidene)bis[L-alanine]1,1'-bis(1-methylethyl)ester

Bis(4-methoxyphenyl)'-C-ethenyl-5'-guanylate