1-[(1R,3R,4R,7R)-1-(Hydroxymethyl)-7-(phenylmethoxy)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[(1R,3R,4R,7R)-1-[(Benzoyloxy)methyl]-7-(phenylmethoxy)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[(1R,3R,4R,7R)-1-[[(methylsulfonyl)oxy]methyl]-7-(phenylmethoxy)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[2-Azido-2-deoxy-5-O-(methylsulfonyl)-4-C-[[(methylsulfonyl)oxy]methyl]-3-O-(phenylmethyl)-α-L-threo-pentofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[5-O-(methylsulfonyl)-4-C-[[(methylsulfonyl)oxy]methyl]-3-O-(phenylmethyl)-2-O-[(trifluoromethyl)sulfonyl]-α-L-erythro-pentofuranosyl]-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[5-O-(methylsulfonyl)-4-C-[[(methylsulfonyl)oxy]methyl]-3-O-(phenylmethyl)-α-L-erythro-pentofuranosyl]-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[5-O-(methylsulfonyl)-4-C-[[(methylsulfonyl)oxy]methyl]-3-O-(phenylmethyl)-α-L-threo-pentofuranosyl]-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[2-O-Acetyl-5-O-(methylsulfonyl)-4-C-[[(methylsulfonyl)oxy]methyl]-3-O-(phenylmethyl)-α-L-threo-pentofuranosyl]-5-methyl-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[(1R,3R,4R,7R)-1-(Hydroxymethyl)-7-(phenylmethoxy)-5-(2,2,2-trifluoroacetyl)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1R,3R,4R,7R)-1-[(Benzoyloxy)methyl]-7-(phenylmethoxy)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-[2,5-anhydro-4-C-(hydroxymethyl)-3-O-(phenylmethyl)-α-L-arabinofuranosyl]-5-methyl-

1-[2-O-Acetyl-5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-β-D-xylofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-O-Acetyl-5-O-[bis(4-methoxyphenyl)phenylmethyl]-β-D-xylofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-(2-O-Acetyl-β-D-xylofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-O-Acetyl-3,5-O-(1-methylethylidene)-β-D-xylofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Uridine 5′-(trihydrogen diphosphate), P′-(5-thio-β-L-arabinopyranosyl) ester

Xanthylium, 9-[2-[20-[[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[2-(carboxymethoxy)acetyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]amino]-2-methyl-1,6-dioxo-5,11,14,17-tetraoxa-2,7-diazaeicos-1-yl]phenyl]-3,6-bis(ethylamino)-2,7-dimethyl-, inner salt

Xanthylium, 9-[2-[20-[[1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]amino]-2-methyl-1,6-dioxo-5,11,14,17-tetraoxa-2,7-diazaeicos-1-yl]phenyl]-3,6-bis(ethylamino)-2,7-dimethyl-

9-[2-[20-[[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]amino]-2-methyl-1,6-dioxo-5,11,14,17-tetraoxa-2,7-diazaeicos-1-yl]phenyl]-3,6-bis(ethylamino)-2,7-dimethylxanthylium

Guanosine, thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-