(2R,3R,3aS,9aR)-2,3,3a,9a-Tetrahydro-2-(hydroxymethyl)-7-(1-methylethyl)-6-oxo-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-3-yl octanoate

1-[2,5-Di-O-acetyl-3-O-(1-oxooctyl)-β-D-arabinofuranosyl]-2,3-dihydro-5-(1-methylethyl)-2-thioxo-4(1H)-pyrimidinone

1-β-D-Arabinofuranosyl-2,3-dihydro-5-propyl-2-thioxo-4(1H)-pyrimidinone

2,3-Dihydro-1-[3-O-(1-oxooctyl)-β-D-arabinofuranosyl]-5-propyl-2-thioxo-4(1H)-pyrimidinone

(2R,3R,3aS,9aR)-2,3,3a,9a-Tetrahydro-2-(hydroxymethyl)-6-oxo-7-propyl-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-3-yl octanoate

1-[2,5-Di-O-acetyl-3-O-(1-oxooctyl)-β-D-arabinofuranosyl]-2,3-dihydro-5-propyl-2-thioxo-4(1H)-pyrimidinone

1-β-D-Arabinofuranosyl-5-ethyl-2,3-dihydro-2-thioxo-4(1H)-pyrimidinone

5-Ethyl-2,3-dihydro-1-[3-O-(1-oxooctyl)-β-D-arabinofuranosyl]-2-thioxo-4(1H)-pyrimidinone

(2R,3R,3aS,9aR)-7-Ethyl-2,3,3a,9a-tetrahydro-2-(hydroxymethyl)-6-oxo-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-3-yl octanoate

1-[2,5-Di-O-acetyl-3-O-(1-oxooctyl)-β-D-arabinofuranosyl]-5-ethyl-2,3-dihydro-2-thioxo-4(1H)-pyrimidinone

N-[1-(2,3-Di-O-acetyl-β-D-arabinofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

4-Amino-1-[5-O-(1,3,4,5,5-pentahydroxy-4-methyl-1,3,5-trioxido-2-oxa-1,3,5-triphosphapent-1-yl)-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

Thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenosine

Thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenosine

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

2-(2,3,5-Tri-O-benzoyl-β-D-arabinofuranosyl)-1,2,4-triazine-3,5(2H,4H)-dione

Adenine, 9-[2-deoxy-5-O-(2-hydroxyethyl)-α-D-erythro-pentofuranosyl]-

Morpholinium, 4-[2-[[(cyclohexylamino)(1,2,3,4-tetrahydro-2,4-dioxo-1-β-D-ribofuranosyl-3-pyrimidinyl)methylene]amino]ethyl]-4-methyl-, cyclic acetal with acetone

Isocytidine, cytidylyl-(3′→5′)-cytidylyl-(3′→5′)-adenylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-

Cytidine, 1,2-dihydro-2-oxoadenylyl-(3′→5′)-guanylyl-(3′→5′)-cytidylyl-(3′→5′)-guanylyl-(3′→5′)-