3′,5′-Bis-O-[(1,1-dimethylethyl)diphenylsilyl]-α-thiocyanatothymidine

2′-Deoxy-5′-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]cytidylyl-(3′→5′)-thymidine

α-Cyano-3′,5′-bis-O-[(1,1-dimethylethyl)diphenylsilyl]thymidine

5-Cyano-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)diphenylsilyl]uridine

1-(3-Chloro-2,3-dideoxy-β-L-erythro-pentofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

2′-Deoxy-5-[3-[[6-[[4-[2-[4-(dimethylamino)phenyl]diazenyl]benzoyl]amino]hexyl]amino]-3-oxo-1-propen-1-yl]uridine

(2R,3S,3aR,9aR)-2-[(Benzoyloxy)methyl]-2,3,3a,9a-tetrahydro-7-methyl-3-[[2-(trimethylsilyl)ethyl]thio]-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′)-, ion(1-)

Adenosine, 5′-[[(3S)-3-amino-4-(3-carboxypropoxy)-4-oxobutyl]methylsulfonio]-5′-deoxy-, inner salt

1-[2-Deoxy-5-O-(methylsulfonyl)-α-D-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

4-Amino-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,6-dihydro-6-oxo-1,3,5-triazine-2-carboxylic acid

5′-Deoxy-2′,3′-O-(1-methylethylidene)-5′-[[thioxo[[1,2,5-trideoxy-1-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-α-D-erythro-pentofuranos-5-yl]amino]methyl]amino]adenosine

1-[(2S,5S)-5-(Aminomethyl)tetrahydro-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-Azido-2,5-dideoxy-3-O-(methylsulfonyl)-α-D-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

3′-Deoxy-3′-[[[[(3,4-dichlorophenyl)amino]thioxomethyl]amino]methyl]-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidine

3′-[[[[[4-Chloro-3-(trifluoromethyl)phenyl]amino]thioxomethyl]amino]methyl]-3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidine

3′-Deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-[[[[[4-(phenylmethoxy)phenyl]amino]thioxomethyl]amino]methyl]thymidine

1-(5-Amino-2,5-dideoxy-α-D-erythro-pentofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

3′-Deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-[[[[(4-methylphenyl)amino]thioxomethyl]amino]methyl]thymidine

5′-Deoxy-5′-[[thioxo[[1,2,5-trideoxy-1-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-α-D-erythro-pentofuranos-5-yl]amino]methyl]amino]adenosine