2'-[[3-(Acetyloxy)-1-oxopropyl]amino]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyuridine

5-[(1E)-2-Bromoethenyl]-3'-bromo-2',3'-dideoxyuridine

5'-(Acetylamino)-5-[(1E)-2-bromoethenyl]-2',5'-dideoxyuridine

5'-(Acetylamino)-5-[(1E)-2-bromoethenyl]-3'-chloro-2',3',5'-trideoxyuridine

3'-(Acetylamino)-5-[(1E)-2-bromoethenyl]-2',3'-dideoxyuridine

3'-(Acetylamino)-5'-bromo-5-[(1E)-2-bromoethenyl]-2',3',5'-trideoxyuridine

5'-Bromo-5-[(1E)-2-bromoethenyl]-5'-deoxyuridine

5-Ethyl-1-[(2R,4S,5R)-4-fluoro-5-(fluoromethyl)tetrahydro-2-furanyl]-2,4(1H,3H)-pyrimidinedione

5-[(1E)-2-Bromoethenyl]-1-[(2R,4S,5R)-4-fluoro-5-(fluoromethyl)tetrahydro-2-furanyl]-2,4(1H,3H)-pyrimidinedione

5-[(1E)-2-Bromoethenyl]-1-[(2R,4S,5S)-5-(chloromethyl)-4-fluorotetrahydro-2-furanyl]-2,4(1H,3H)-pyrimidinedione

5-[(1E)-2-Bromoethenyl]-1-[(2R,4S,5R)-4-chloro-5-(chloromethyl)tetrahydro-2-furanyl]-2,4(1H,3H)-pyrimidinedione

1-[(2R,4S,5S)-4-Azido-5-(fluoromethyl)tetrahydro-2-furanyl]-5-[(1E)-2-bromoethenyl]-2,4(1H,3H)-pyrimidinedione

5-[(1E)-2-Bromoethenyl]-1-[(2R,4S,5S)-5-(bromomethyl)-4-chlorotetrahydro-2-furanyl]-2,4(1H,3H)-pyrimidinedione

1-[(2R,4S,5R)-5-(Azidomethyl)-4-chlorotetrahydro-2-furanyl]-5-[(1E)-2-bromoethenyl]-2,4(1H,3H)-pyrimidinedione

1-[(2R,4S,5S)-4-Azido-5-(chloromethyl)tetrahydro-2-furanyl]-5-[(1E)-2-bromoethenyl]-2,4(1H,3H)-pyrimidinedione

1-[(2R,4S,5R)-4-Bromo-5-(bromomethyl)tetrahydro-2-furanyl]-5-[(1E)-2-bromoethenyl]-2,4(1H,3H)-pyrimidinedione

1-(5-O-Benzoyl-2-deoxy-β-D-threo-pentofuranosyl)-5-[(1E)-2-bromoethenyl]-2,4(1H,3H)-pyrimidinedione

1-[5-O-Benzoyl-2-deoxy-3-O-(methylsulfonyl)-β-D-threo-pentofuranosyl]-5-[(1E)-2-bromoethenyl]-2,4(1H,3H)-pyrimidinedione

1-(5-Bromo-2,5-dideoxy-2-fluoro-β-D-arabinofuranosyl)-5-[(1E)-2-bromoethenyl]-2,4(1H,3H)-pyrimidinedione

5-[(1E)-2-Bromoethenyl]-1-(3,5-di-O-benzoyl-2-deoxy-2,2-difluoro-α-D-erythro-pentofuranosyl)-2,4(1H,3H)-pyrimidinedione