1-[(3R,4R,6R,7S)-7-(Acetyloxy)-6-[(benzoyloxy)methyl]-1,1-difluoro-5-oxaspiro[2.4]hept-4-yl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-[(3R,4S,6R,7S)-1,1-Difluoro-7-hydroxy-6-(hydroxymethyl)-5-oxaspiro[2.4]hept-4-yl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-[(3R,4R,6R,7S)-1,1-Difluoro-7-hydroxy-6-(hydroxymethyl)-5-oxaspiro[2.4]hept-4-yl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-[(3R,4S,6R,7S)-7-(Acetyloxy)-6-[(benzoyloxy)methyl]-1,1-difluoro-5-oxaspiro[2.4]hept-4-yl]-2,4(1H,3H)-pyrimidinedione

1-[(3R,4R,6R,7S)-7-(Acetyloxy)-6-[(benzoyloxy)methyl]-1,1-difluoro-5-oxaspiro[2.4]hept-4-yl]-2,4(1H,3H)-pyrimidinedione

1-[(3R,4S,6R,7S)-1,1-Difluoro-7-hydroxy-6-(hydroxymethyl)-5-oxaspiro[2.4]hept-4-yl]-2,4(1H,3H)-pyrimidinedione

Uridine, 6-azido-5-chloro-2′-deoxy-5-ethyl-5,6-dihydro-, (5R,6S)-

Uridine, 6-azido-5-chloro-2′-deoxy-5-ethyl-5,6-dihydro-, (5S,6R)-

Uridine, 6-azido-5-chloro-2′-deoxy-5-ethyl-5,6-dihydro-, (5S,6S)-

Uridine, 6-azido-5-chloro-2′-deoxy-5-ethyl-5,6-dihydro-, (5R,6R)-

Uridine, 6-azido-5-bromo-2′-deoxy-5-ethyl-5,6-dihydro-, (5R,6S)-

Uridine, 6-azido-5-bromo-2′-deoxy-5-ethyl-5,6-dihydro-, (5S,6S)-

Uridine, 6-azido-5-bromo-2′-deoxy-5-ethyl-5,6-dihydro-, (5R,6R)-

Uridine, 5-chloro-2′-deoxy-6-ethoxy-5-ethyl-5,6-dihydro-, (5S,6R)-

Uridine, 5-chloro-2′-deoxy-6-ethoxy-5-ethyl-5,6-dihydro-, (5S,6S)-

Uridine, 5-chloro-2′-deoxy-6-ethoxy-5-ethyl-5,6-dihydro-, (5R,6R)-

Uridine, 2′-deoxy-5-ethyl-5,6-dihydro-5-iodo-6-methoxy-, (5S,6S)-

Uridine, 2′-deoxy-5-ethyl-5,6-dihydro-5-iodo-6-methoxy-, (5R,6R)-

Cyclopenta[7′,8′]phenanthro[2′,3′:4,5]imidazo[1,2-a]purine-1,6,12(2H)-trione, 9-(2-deoxy-β-D-erythro-pentofuranosyl)-3,3a,6a,7,9,13a,14,15,16,16a-decahydro-6a,14-dihydroxy-16a-methyl-, (3aS,6aR,13aS,14R,16aS)-

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