1-[2-C-[1-[2-[[(3aS,4R,5S,6S,8R,9R,9aR,10R)-6-Ethenyldecahydro-5-hydroxy-4,6,9,10-tetramethyl-1-oxo-3a,9-propano-3aH-cyclopentacycloocten-8-yl]oxy]-2-oxoethyl]-1H-1,2,3-triazol-4-yl]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

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

1-[2,6-Dideoxy-6-[1-[2-[[(3aS,4R,5S,6S,8R,9R,9aR,10R)-6-ethenyldecahydro-5-hydroxy-4,6,9,10-tetramethyl-1-oxo-3a,9-propano-3aH-cyclopentacycloocten-8-yl]oxy]-2-oxoethyl]-1H-1,2,3-triazol-4-yl]-α-L-lyxo-hexofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2,6-Dideoxy-6-[1-[2-[[(3aS,4R,5S,6S,8R,9R,9aR,10R)-6-ethenyldecahydro-5-hydroxy-4,6,9,10-tetramethyl-1-oxo-3a,9-propano-3aH-cyclopentacycloocten-8-yl]oxy]-2-oxoethyl]-1H-1,2,3-triazol-4-yl]-β-D-ribo-hexofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[(6S,6aR,8R,9aS)-tetrahydro-2,2,4,4-tetrakis(1-methylethyl)-6-(2-propyn-1-yl)-6H-furo[3,2-f]-1,3,5,2,4-trioxadisilocin-8-yl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[(6R,6aR,8R,9aS)-tetrahydro-2,2,4,4-tetrakis(1-methylethyl)-6-(2-propyn-1-yl)-6H-furo[3,2-f]-1,3,5,2,4-trioxadisilocin-8-yl]-2,4(1H,3H)-pyrimidinedione

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

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

5-Methyl-1-[(5ξ)-2,6,7-trideoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-erythro-hept-6-ynofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[(6R,8R,9R)-4-Amino-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2-oxo-9-[(trimethylsilyl)oxy]-1,7-dioxa-3-azaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

5-[2-(3-Perylenyl)ethynyl]uridine

2',3'-Dideoxy-5-[2-(3-perylenyl)ethynyl]uridine

6-[2-(Trimethylsilyl)ethynyl]-9-[2,3,5-tris-O-(4-methylbenzoyl)-β-D-ribofuranosyl]-9H-purine

5-Iodo-1-[3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-[2-(3-Perylenyl)ethynyl]-1-[3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

Uridine, 2',3'-dideoxy-5-[2-(3-perylenyl)ethynyl]-, 5'-(2,2-dimethylpropanoate)

1-β-D-Arabinofuranosyl-5-[2-(2-pyrenyl)ethynyl]-2,4(1H,3H)-pyrimidinedione

5-[2-(2-Pyrenyl)ethynyl]-1-[3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-β-D-Arabinofuranosyl-5-[2-(17-oxoestra-1,3,5(10)-trien-3-yl)ethynyl]-2,4(1H,3H)-pyrimidinedione

5-[2-(17-Oxoestra-1,3,5(10)-trien-3-yl)ethynyl]-1-[3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione