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

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

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

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

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

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

1-[(5R,6S,8R,9R)-4-Amino-9-hydroxy-1-methyl-2,2-dioxido-6-[(phenylmethoxy)methyl]-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-3-hexyl-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(5S,6S,8R,9R)-4-Amino-9-hydroxy-1-methyl-2,2-dioxido-6-[(phenylmethoxy)methyl]-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-3-hexyl-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(5S,6S,8R,9R)-9-(Acetyloxy)-4-amino-1-methyl-2,2-dioxido-6-[(phenylmethoxy)methyl]-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-3-hexyl-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6S,8R,9R)-9-(Acetyloxy)-4-amino-1-methyl-2,2-dioxido-6-[(phenylmethoxy)methyl]-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-3-hexyl-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6S,8R,9R)-4-Amino-9-hydroxy-6-(methoxymethyl)-2,2-dioxido-1-(phenylmethyl)-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-3-hexyl-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(5S,6S,8R,9R)-4-Amino-9-hydroxy-6-(methoxymethyl)-2,2-dioxido-1-(phenylmethyl)-7-oxa-2-thia-1-azaspiro[4.4]non-3-en-8-yl]-3-hexyl-5-methyl-2,4(1H,3H)-pyrimidinedione

9-[5-Deoxy-5-(methylamino)-α-L-lyxofuranosyl]-9H-purin-6-amine

4-Chloro-7-[(5S)-2,3-O-(1-methylethylidene)-5-C-phenyl-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine

1-[2,5-Dideoxy-5-[[[[4-[(2-methoxyphenyl)methoxy]phenyl]amino]carbonyl]amino]-α-D-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2,5-Dideoxy-5-[[[[4-[(2-methylphenyl)methoxy]phenyl]amino]carbonyl]amino]-α-D-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2,5-Dideoxy-5-[[[[4-[(2-fluorophenyl)methoxy]phenyl]amino]carbonyl]amino]-α-D-erythro-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Uridine 5′-(trihydrogen diphosphate), P-(6-deoxy-α-L-mannopyranosyl) ester