2-Propenenitrile, 3-[(3aR,5R,6R,6aS)-tetrahydro-6-hydroxy-5-(hydroxymethyl)-2-iminofuro[2,3-d]oxazol-3(2H)-yl]-

Uracil, 1-β-D-arabinofuranosyl-5-[(ethylthio)methyl]-

Uridine, 5-[(ethylthio)methyl]-

Carbamic acid, [(1-β-D-arabinofuranosyl-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl)methyl]-, ethyl ester

Uracil, 1-β-D-arabinofuranosyl-5-[(benzylthio)methyl]-

Uracil, 1-β-D-arabinofuranosyl-5-[(phenylthio)methyl]-

Guanosine, thymidylyl-(5′→3′)-N-[α,α-bis(p-methoxyphenyl)benzyl]-2′-deoxyguanylyl-(5′→3′)-N-[α,α-bis(p-methoxyphenyl)benzyl]-2′-deoxyguanylyl-(5′→3′)-N-[α,α-bis(p-methoxyphenyl)benzyl]-2′-deoxy-

Uridine, 5′-O-(p-methoxy-α,α-diphenylbenzyl)-2′-O-(tetrahydro-2H-pyran-2-yl)-, 3′-(2,2,2-trichloroethyl hydrogen phosphate)

9-(5-Amino-5-deoxy-β-D-arabinofuranosyl)-9H-purin-6-amine

9-(5-Azido-5-deoxy-β-D-arabinofuranosyl)-9H-purin-6-amine

Guanosine, N-[α,α-bis(p-methoxyphenyl)benzyl]-2′-deoxyguanylyl-(3′→5′)-N-[α,α-bis(p-methoxyphenyl)benzyl]-2′-deoxyguanylyl-(3′→5′)-N-[α,α-bis(p-methoxyphenyl)benzyl]-2′-deoxyguanylyl-(3′→5′)-N-[α,α-bis(p-methoxyphenyl)benzyl]-2′-deoxy-

N-(2-Furanylmethyl)-3-β-D-ribofuranosyl-3H-imidazo[4,5-b]pyridin-7-amine

5-Azido-1,5-dideoxy-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-α-L-talofuranuronic acid

Sulfoxonium, dimethyl-, [1,4-dihydro-1-(2-O-methyl-5-O-trityl-β-D-arabinofuranosyl)-4-oxo-2-pyrimidinyl]methylide

1-β-D-Arabinofuranosyl-2-methyl-4(1H)-pyrimidinone

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

3′-Cytidylic acid, 2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-, 3′-[5-amino-2-(hydroxymethyl)pentyl] ester

3′-Cytidylic acid, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-P-thiothymidylyl-(3′→5′)-2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-P-thiocytidylyl-(3′→5′)-2′-deoxy-, 3′-[5-amino-2-(hydroxymethyl)pentyl] ester

Adenosine, 8-methoxy-N-[(3R)-tetrahydro-3-furanyl]-

Adenosine, 5′-S-(4,5-dihydro-1-methyl-1H-imidazol-2-yl)-N-[(3R)-tetrahydro-3-furanyl]-5′-thio-