Guanosine, N-(2-methyl-1-oxopropyl)-4′-C-[2-[[(4-methylphenyl)sulfonyl]oxy]ethyl]-3′,5′-bis-O-(phenylmethyl)-, 2′-acetate

Cytidine, 5-methyl-4′-C-[2-[[(4-methylphenyl)sulfonyl]oxy]ethyl]-3′,5′-bis-O-(phenylmethyl)-, 2′-acetate

Uridine, 4′-C-[2-[[(4-methylphenyl)sulfonyl]oxy]ethyl]-3′,5′-bis-O-(phenylmethyl)-, 2′-acetate

Adenosine, N-benzoyl-4′-C-[2-[[(4-methylphenyl)sulfonyl]oxy]ethyl]-3′,5′-bis-O-(phenylmethyl)-, 2′-acetate

Cytidine, N-benzoyl-4′-C-[2-[[(4-methylphenyl)sulfonyl]oxy]ethyl]-3′,5′-bis-O-(phenylmethyl)-, 2′-acetate

Uridine, 5-methyl-4′-C-[2-[[(4-methylphenyl)sulfonyl]oxy]ethyl]-3′,5′-bis-O-(phenylmethyl)-, 2′-acetate

2-Amino-9-[2,6-anhydro-5-deoxy-4-C-(hydroxymethyl)-α-L-lyxo-hexofuranosyl]-1,9-dihydro-6H-purin-6-one

N-[9-[2,6-Anhydro-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-5-deoxy-α-L-lyxo-hexofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide

N-[9-[2,6-Anhydro-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-deoxy-α-L-lyxo-hexofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide

N-[9-[2,6-Anhydro-5-deoxy-4-C-(hydroxymethyl)-α-L-lyxo-hexofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide

N-[9-[2,6-Anhydro-5-deoxy-4-C-[(phenylmethoxy)methyl]-3-O-(phenylmethyl)-α-L-lyxo-hexofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide

4-Amino-1-[2,6-anhydro-5-deoxy-4-C-(hydroxymethyl)-α-L-lyxo-hexofuranosyl]-5-methyl-2(1H)-pyrimidinone

N-[1-[2,6-Anhydro-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-5-deoxy-α-L-lyxo-hexofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]benzamide

N-[1-[2,6-Anhydro-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-deoxy-α-L-lyxo-hexofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]benzamide

N-[1-[2,6-Anhydro-5-deoxy-4-C-(hydroxymethyl)-α-L-lyxo-hexofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]benzamide

N-[1-[2,6-Anhydro-5-deoxy-4-C-[(phenylmethoxy)methyl]-3-O-(phenylmethyl)-α-L-lyxo-hexofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]benzamide

1-[2,6-Anhydro-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-5-deoxy-α-L-lyxo-hexofuranosyl]-2,4(1H,3H)-pyrimidinedione