6,9-Epoxydiindolo[1,2,3-fg:3′,2′,1′-kl][1,6]benzodiazocine-7-carboxylic acid, 6,7,8,9-tetrahydro-7-hydroxy-6-methyl-, methyl ester, [6R-(6α,7β,9α)]-

1-[2,5-Dideoxy-2-fluoro-5-[[[4-(trifluoromethyl)-9H-xanthen-9-yl]carbonyl]amino]-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

9,12-Epoxy-1H-diindolo[1,2,3-fg:3′,2′,1′-kl]pyrrolo[3,4-i][1,6]benzodiazocine-10-carboxylic acid, 2-[(3,4-dimethoxyphenyl)methyl]-2,3,9,10,11,12-hexahydro-10-hydroxy-9-methyl-3-oxo-, methyl ester, [9S-(9α,10β,12α)]-

1-[2,5-Dideoxy-5-[[(4,5-difluoro-9H-xanthen-9-yl)carbonyl]amino]-2-fluoro-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

1-[2,5-Dideoxy-5-[[(2,7-difluoro-9H-xanthen-9-yl)carbonyl]amino]-2-fluoro-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

9,12-Epoxy-1H-diindolo[1,2,3-fg:3′,2′,1′-kl]pyrrolo[3,4-i][1,6]benzodiazocin-1-one, 2-[(3,4-dimethoxyphenyl)methyl]-2,3,9,10,11,12-hexahydro-10-hydroxy-10-(hydroxymethyl)-9-methyl-, [9S-(9α,10β,12α)]-

1-[2,5-Dideoxy-2-fluoro-5-[[(2,4,5,7-tetrachloro-9H-xanthen-9-yl)carbonyl]amino]-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

1-[2,5-Dideoxy-5-[[(2,3-dichloro-9H-xanthen-9-yl)carbonyl]amino]-2-fluoro-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

1-[2,5-Dideoxy-5-[[(2,7-dichloro-9H-xanthen-9-yl)carbonyl]amino]-2-fluoro-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

1-[5-[[(4-Chloro-9H-xanthen-9-yl)carbonyl]amino]-2,5-dideoxy-2-fluoro-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

9,12-Epoxy-1H-diindolo[1,2,3-fg:3′,2′,1′-kl]pyrrolo[3,4-i][1,6]benzodiazocine-10-carboxaldehyde, 2-[(3,4-dimethoxyphenyl)methyl]-2,3,9,10,11,12-hexahydro-10-hydroxy-9-methyl-1-oxo-, [9S-(9α,10β,12α)]-

Uridine, 5′-[[(3-chloro-9H-xanthen-9-yl)carbonyl]amino]-2′,5′-dideoxy-5-ethyl-

Uridine, 5′-[[(2-chloro-9H-xanthen-9-yl)carbonyl]amino]-2′,5′-dideoxy-5-ethyl-

1-[5-[[(2-Chloro-9H-xanthen-9-yl)carbonyl]amino]-2,5-dideoxy-2-fluoro-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

Uridine, 5′-[[(1-chloro-9H-xanthen-9-yl)carbonyl]amino]-2′,5′-dideoxy-5-ethyl-

1-[2,5-Dideoxy-2-fluoro-5-[[(4-phenyl-9H-xanthen-9-yl)carbonyl]amino]-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

1-[5-[[(4-Cyclohexyl-9H-xanthen-9-yl)carbonyl]amino]-2,5-dideoxy-2-fluoro-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

1-[2,5-Dideoxy-2-fluoro-5-[[(4-methyl-9H-xanthen-9-yl)carbonyl]amino]-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

1-(5-Azido-5-deoxy-β-D-arabinofuranosyl)-5-ethyl-2,4(1H,3H)-pyrimidinedione

1-[5-Deoxy-5-[(9H-xanthen-9-ylcarbonyl)amino]-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione