5-Methyl-1-[(2S,5R)-tetrahydro-5-(hydroxymethyl)-5-[2-(phenylmethoxy)phenyl]-2-furanyl]-2,4(1H,3H)-pyrimidinedione

1-[(5R)-5-[[[(1,1-Dimethylethyl)dimethylsilyl]oxy]methyl]tetrahydro-5-phenyl-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Thymidine,3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-4'-C-(1-methylethenyl)-

3'-Deoxy-4'-C-[2-(phenylmethoxy)phenyl]thymidine

Thymidine,3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-4'-C-(1-oxopropyl)-

1-[(1R,5R,7R,8S)-8-Hydroxy-5-(hydroxymethyl)-2-methyl-3-oxo-6-oxa-2-azabicyclo[3.2.1]oct-7-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(5R)-5-[[[(1,1-Dimethylethyl)dimethylsilyl]oxy]methyl]-5-(4-fluorophenyl)tetrahydro-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1R,5R,7R,8S)-8-Hydroxy-5-(hydroxymethyl)-3-oxo-6-oxa-2-azabicyclo[3.2.1]oct-7-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

2'-O,4'-C-Ethenylidene-3',5'-O-(1-methylethylidene)uridine

Thymidine,4'-C-acetyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-

1-[2,5-Anhydro-4-C-[2-(dimethoxyphosphinyl)ethenyl]-3-O-[(1,1-dimethylethyl)dimethylsilyl]-α-L-lyxofuranosyl]-2,4(1H,3H)-pyrimidinedione

Cytidine,N-benzoyl-2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-4'-C-ethenyl-

2'-Deoxy-5'-O-[(1,1-dimethylethyl)dimethylsilyl]-4'-C-ethenyl-2'-fluoro-3'-O-[(4-methoxyphenyl)diphenylmethyl]uridine

2-Azido-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

2,4(1H,3H)-Pyrimidinedione,5-methyl-1-[3,5-O-(1-methylethylidene)-4-C-(4-methylphenyl)-α-L-lyxofuranosyl]-

1-[2,5-Anhydro-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-4-C-[2-(dimethoxyphosphinyl)ethenyl]-α-L-lyxofuranosyl]-2,4(1H,3H)-pyrimidinedione

N-Benzoyl-2-(benzoylamino)-2'-deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4'-C-ethenyladenosine

2,4(1H,3H)-Pyrimidinedione,1-[4-C-(4-methoxyphenyl)-3,5-O-(1-methylethylidene)-α-L-lyxofuranosyl]-5-methyl-

1-[2,5-Anhydro-6,7,8-trideoxy-3-O-(2-naphthalenylmethyl)-4-C-[(2Z)-1-oxo-2-buten-1-yl]-α-L-manno-oct-7-enofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[2,5-Anhydro-6,7,8-trideoxy-3-O-(2-naphthalenylmethyl)-4-C-(1-oxo-2-butyn-1-yl)-α-L-manno-oct-7-enofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione