1-[2,5-Dideoxy-2-fluoro-5-[(spiro[anthracene-9(10H),1′-cyclopropan]-10-ylcarbonyl)amino]-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

1-[2,5-Dideoxy-5-[[[9,10-dihydro-10,10-bis(trifluoromethyl)-9-anthracenyl]carbonyl]amino]-2-fluoro-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

1-[2,5-Dideoxy-5-[[(9,10-dihydro-10,10-dimethyl-9-anthracenyl)carbonyl]amino]-2-fluoro-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-[2,5-dideoxy-5-[[(9,10-dihydro-9,9-dimethyl-9-silaanthracen-10-yl)carbonyl]amino]-2-fluoro-β-D-arabinofuranosyl]-5-ethyl-

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

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

1-[2,5-Dideoxy-5-[[(10,10-dioxido-9H-thioxanthen-9-yl)carbonyl]amino]-2-fluoro-β-L-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

1-[2,5-Dideoxy-2-fluoro-5-[(9H-thioxanthen-9-ylcarbonyl)amino]-β-L-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-L-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

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

1-(5-Amino-2,5-dideoxy-2-fluoro-β-L-arabinofuranosyl)-5-ethyl-2,4(1H,3H)-pyrimidinedione

1-[2,5-Dideoxy-5-[[(10,10-dioxido-9H-thioxanthen-9-yl)carbonyl]amino]-2-fluoro-β-D-arabinofuranosyl]-5-iodo-2,4(1H,3H)-pyrimidinedione

1-[2,5-Dideoxy-2-fluoro-5-[(9H-thioxanthen-9-ylcarbonyl)amino]-β-D-arabinofuranosyl]-5-iodo-2,4(1H,3H)-pyrimidinedione

Thymidine, 5′-deoxy-5′-[(9H-xanthen-9-ylcarbonyl)amino]-

L-Methionine, N-[(1,1-dimethylethoxy)carbonyl]-, 3′-ester with 2′,5′-dideoxy-5-ethyl-5′-[(9H-xanthen-9-ylcarbonyl)amino]uridine

L-Valine, 3′-ester with 1-[2,5-dideoxy-2-fluoro-5-[methyl[[4-(trifluoromethyl)-9H-xanthen-9-yl]carbonyl]amino]-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

L-Valine, N-[(phenylmethoxy)carbonyl]-, 3′-ester with 1-[2,5-dideoxy-2-fluoro-5-[methyl[[4-(trifluoromethyl)-9H-xanthen-9-yl]carbonyl]amino]-β-D-arabinofuranosyl]-5-ethyl-2,4(1H,3H)-pyrimidinedione

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

Uridine, 2′,5′-dideoxy-5-ethyl-5′-[(9H-xanthen-9-ylcarbonyl)amino]-, 3′-(3,4,5-trimethoxybenzoate)

Uridine, 2′,5′-dideoxy-5-ethyl-5′-[(9H-xanthen-9-ylcarbonyl)amino]-, 3′-hexadecanoate