N-[1-[2,3-Di-O-benzoyl-6-O-[5-[methyl[(2-propen-1-yloxy)carbonyl]amino]pentyl]-β-D-allofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

N-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-6-O-[5-(1,4,7,10,13-pentaoxa-16-azacyclooctadec-16-yl)pentyl]-2-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-β-D-allofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]acetamide

N-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-6-O-[5-(1,4,7,10,13-pentaoxa-16-azacyclooctadec-16-yl)pentyl]-2-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-β-D-allofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]acetamide

N-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-6-O-(5-bromopentyl)-3-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-β-D-allofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

N-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-6-O-(5-bromopentyl)-2-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-β-D-allofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

N-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-6-O-(5-bromopentyl)-β-D-allofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

N-[1-[2,3-Di-O-benzoyl-6-O-(5-bromopentyl)-β-D-allofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

Methyl α-oxo-3-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-3H-isoindolo[1,2-i]purine-7-acetate

2-[(4-Chlorophenyl)sulfonyl]-3,4-dihydro-3-[3,5-O-[(R)-mercaptophosphinylidene]-β-D-ribofuranosyl]-6-phenyl-9H-imidazo[1,2-a]purin-9-one

Guanosine, 8-[(4-chlorophenyl)sulfonyl]-, cyclic 3′,5′-[hydrogen (R)-phosphorothioate]

Guanosine, 8-[(4-chlorophenyl)sulfinyl]-, cyclic 3′,5′-[hydrogen (R)-phosphorothioate]

2-(4-Chlorophenyl)-3,4-dihydro-3-[3,5-O-[(R)-mercaptophosphinylidene]-β-D-ribofuranosyl]-6-phenyl-9H-imidazo[1,2-a]purin-9-one

3,4-Dihydro-3-[3,5-O-[(R)-mercaptophosphinylidene]-β-D-ribofuranosyl]-2,6-diphenyl-9H-imidazo[1,2-a]purin-9-one

Guanosine, 8-(4-chlorophenyl)-, cyclic 3′,5′-[hydrogen [P(R)]-phosphorothioate]

Guanosine, 8-(2-furanyl)-, cyclic 3′,5′-[hydrogen [P(R)]-phosphorothioate]

Guanosine, 8-phenyl-, cyclic 3′,5′-[hydrogen (R)-phosphorothioate]

Guanosine, 1-(24-amino-4-oxo-9,12,15,18,21-pentaoxa-5-azatetracos-1-yl)-8-bromo-, cyclic 3′,5′-[hydrogen (R)-phosphorothioate]

3H-[1,3]Diazepino[1,2-a]purine-6,11(5H,7H)-dione, 2-bromo-8,9-dihydro-3-[3,5-O-[(R)-mercaptophosphinylidene]-β-D-ribofuranosyl]-

2-Amino-8-bromo-6,9-dihydro-9-[3,5-O-[(R)-mercaptophosphinylidene]-β-D-ribofuranosyl]-6-oxo-1H-purine-1-butanoic acid

Guanosine, 8-[[2-[[2-[4-(2,5,8,11,14,17,20-heptaoxatricos-22-yn-1-yl)-1H-1,2,3-triazol-1-yl]acetyl]amino]ethyl]thio]-, cyclic 3′,5′-[hydrogen (R)-phosphorothioate]