1-[3-O-Benzoyl-2,5,6-trideoxy-6-(dimethoxyphosphinyl)-2-fluoro-β-D-ribo-hex-5-enofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-(5,6-Dideoxy-4-C-ethenyl-6-phosphono-β-D-ribo-hex-5-enofuranosyl)-2,4(1H,3H)-pyrimidinedione

1-(5,6-Dideoxy-4-C-ethynyl-6-phosphono-β-D-ribo-hex-5-enofuranosyl)-2,4(1H,3H)-pyrimidinedione

1-[5,6-Dideoxy-4-C-ethynyl-2,3-O-(1-methylethylidene)-6-phosphono-β-D-ribo-hex-5-enofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-(2,5,6-Trideoxy-2-fluoro-6-phosphono-β-D-ribo-hex-5-enofuranosyl)-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[(2R,4R,5R)-tetrahydro-4-hydroxy-5-(2-propyn-1-yl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

Thymidine, 5'-deoxy-3'-de(phosphinicooxy)-5'-[2-(trimethylsilyl)ethynyl]thymidylyl-1H-1,2,3-triazole-1,4-diyl-(3'→5')-5'-deoxy-, 3'-(hydrogen butanedioate)

5-Methyl-1-[(2R,4S,5R)-tetrahydro-4-hydroxy-5-(2-propyn-1-yl)-2-furanyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[(2R,4S,5R)-tetrahydro-4-[(4-nitrobenzoyl)oxy]-5-[3-(trimethylsilyl)-2-propyn-1-yl]-2-furanyl]-2,4(1H,3H)-pyrimidinedione

Thymidine, 5'-deoxy-3'-de(phosphinicooxy)-5'-[2-(trimethylsilyl)ethynyl]thymidylyl-1H-1,2,3-triazole-1,4-diyl-(3'→5')-5'-deoxy-3'-de(phosphinicooxy)thymidylyl-1H-1,2,3-triazole-1,4-diyl-(3'→5')-5'-deoxy-, 3'-benzoate

Thymidine, 5'-deoxy-3'-de(phosphinicooxy)-5'-ethynylthymidylyl-1H-1,2,3-triazole-1,4-diyl-(3'→5')-5'-deoxy-, 3'-benzoate

5-Methyl-1-(5-O-phosphono-α-D-ribofuranosyl)-1H-benzimidazole

Thymidine, 5'-deoxy-3'-de(phosphinicooxy)-5'-ethynylthymidylyl-1H-1,2,3-triazole-1,4-diyl-(3'→5')-5'-deoxy-, 3'-(hydrogen butanedioate)

8-[2-(4-Fluorophenyl)ethynyl]-3',5'-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]adenosine

3',5'-O-[1,1,3,3-Tetrakis(1-methylethyl)-1,3-disiloxanediyl]-8-[2-[4-(trifluoromethyl)phenyl]ethynyl]adenosine

8-[2-(4-Methylphenyl)ethynyl]-3',5'-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]adenosine

8-[2-(3-Aminophenyl)ethynyl]-3',5'-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]adenosine

8-[2-(4-Methoxyphenyl)ethynyl]-3',5'-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]adenosine

Adenosine, 8-[2-(4-methoxyphenyl)ethynyl]-3',5'-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 2'-(1,1,1-trifluoromethanesulfonate)

8-[2-(1-Hydroxycyclohexyl)ethynyl]-3',5'-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]adenosine