Uridine 5′-(tetrahydrogen triphosphate), 5-[3-[[[3′,6′-bis(dimethylamino)-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl]carbonyl]amino]-1-propynyl]-3′-deoxy-

Spiro[isobenzofuran-1(3H),9′-[9H]xanthene]-5-carboxamide, 3′,6′-diamino-N-[6-[2-amino-7-[3-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl]-5-hexynyl]-3-oxo-

Uridine 5′-(tetrahydrogen triphosphate), 5-[6-[[[3′,6′-bis(dimethylamino)-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl]carbonyl]amino]-1-hexynyl]-3′-deoxy-

Cytidine 5′-(tetrahydrogen triphosphate), 3′-deoxy-5-[8-[[(2′,3′,6′,7′,12′,13′,16′,17′-octahydro-3-oxospiro[isobenzofuran-1(3H),9′-[1H,5H,9H,11H,15H]xantheno[2,3,4-ij:5,6,7-i‘j′]diquinolizin]-5-yl)carbonyl]amino]-1-octynyl]-

Cytidine 5′-(tetrahydrogen triphosphate), 3′-deoxy-5-[6-[[(2′,3′,6′,7′,12′,13′,16′,17′-octahydro-3-oxospiro[isobenzofuran-1(3H),9′-[1H,5H,9H,11H,15H]xantheno[2,3,4-ij:5,6,7-i‘j′]diquinolizin]-5-yl)carbonyl]amino]-1-hexynyl]-

Cytidine 5′-(tetrahydrogen triphosphate), 3′-deoxy-5-[5-[[(2′,3′,6′,7′,12′,13′,16′,17′-octahydro-3-oxospiro[isobenzofuran-1(3H),9′-[1H,5H,9H,11H,15H]xantheno[2,3,4-ij:5,6,7-i‘j′]diquinolizin]-5-yl)carbonyl]amino]-1-pentynyl]-

1-Deoxy-1-[6-[[12-[[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]amino]dodecyl]amino]-9H-purin-9-yl]-N-ethyl-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[10-[[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]amino]decyl]amino]-9H-purin-9-yl]-N-ethyl-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[8-[[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]amino]octyl]amino]-9H-purin-9-yl]-N-ethyl-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[4-[[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]amino]butyl]amino]-9H-purin-9-yl]-N-ethyl-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[3-[[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]amino]propyl]amino]-9H-purin-9-yl]-N-ethyl-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[12-[[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]amino]dodecyl]amino]-9H-purin-9-yl]-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[10-[[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]amino]decyl]amino]-9H-purin-9-yl]-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[8-[[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]amino]octyl]amino]-9H-purin-9-yl]-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[6-[[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]amino]hexyl]amino]-9H-purin-9-yl]-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[4-[[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]amino]butyl]amino]-9H-purin-9-yl]-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-Deoxy-1-[6-[[3-[[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]amino]propyl]amino]-9H-purin-9-yl]-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide