2,4(1H,3H)-Pyrimidinedione, 1-[2-O-acetyl-3-O-benzoyl-4-C-[(benzoyloxy)methyl]-5-deoxy-5-[4-(trifluoroacetyl)-1-piperazinyl]-α-L-arabinofuranosyl]-5-methyl-

2,4(1H,3H)-Pyrimidinedione, 1-[2-O-acetyl-3,5-di-O-benzoyl-4-C-[(4-methyl-1-piperazinyl)methyl]-β-D-xylofuranosyl]-5-methyl-

N-[9-[2-O-Acetyl-5-O-benzoyl-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-α-L-arabinofuranosyl]-9H-purin-6-yl]benzamide

2,4(1H,3H)-Pyrimidinedione, 1-[2-O-acetyl-5-O-benzoyl-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-α-L-arabinofuranosyl]-5-methyl-

N-[9-[2-O-Acetyl-5-O-benzoyl-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-α-L-arabinofuranosyl]-9H-purin-6-yl]benzamide

1-[2-O-Acetyl-5-O-benzoyl-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-α-L-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

N-[9-[2-O-Acetyl-5-O-benzoyl-4-C-(hydroxymethyl)-α-L-arabinofuranosyl]-9H-purin-6-yl]benzamide

1-[2-O-Acetyl-5-O-benzoyl-4-C-(hydroxymethyl)-α-L-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

N-[9-[2-O-Acetyl-5-O-benzoyl-3-O-[(1,1-dimethylethyl)diphenylsilyl]-4-C-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-α-L-arabinofuranosyl]-9H-purin-6-yl]benzamide

1-[2-O-Acetyl-5-O-benzoyl-3-O-[(1,1-dimethylethyl)diphenylsilyl]-4-C-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-α-L-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

3-(Hydroxymethyl)-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-(Hydroxymethyl)-7-(phenylmethoxy)-5-(2,2,2-trifluoroacetyl)-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-(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