(6R,8S)-3-(2-Deoxy-β-D-erythro-pentofuranosyl)-4,6,7,8-tetrahydro-8-hydroxy-6-phenylpyrimido[1,2-a]purin-10(3H)-one

(6S,8R)-3-(2-Deoxy-β-D-erythro-pentofuranosyl)-4,6,7,8-tetrahydro-8-hydroxy-6-phenylpyrimido[1,2-a]purin-10(3H)-one

5′-Guanylic acid, 6-O-ethyl-

Thymidine, 3′-azido-3′-deoxy-, 5′-[(3β,25R)-spirost-5-en-3-yl phosphonate]

(3R,3′aS,6′R,6′aS)-6′-[(4R)-2,2-Dimethyl-1,3-dioxolan-4-yl]dihydro-1,2′,2′-trimethylspiro[diaziridine-3,4′(3′aH)-furo[3,4-d][1,3]dioxole]

(3S,3′aR,6′R,6′aR)-Dihydro-1,2′,2′-trimethyl-6′-[(triphenylmethoxy)methyl]spiro[diaziridine-3,4′(3′aH)-furo[3,4-d][1,3]dioxole]

(3R,3′aR,6′R,6′aR)-Dihydro-1,2′,2′-trimethyl-6′-[(triphenylmethoxy)methyl]spiro[diaziridine-3,4′(3′aH)-furo[3,4-d][1,3]dioxole]

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

2′-Deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenosine

9H-Purin-6-ylthio, 9-β-D-ribofuranosyl-

3H-Purin-3-yl, 2,9-dihydro-6-(methylthio)-9-β-D-ribofuranosyl-

Adenosine, N-benzoyl-7,8-dihydro-8-oxo-

Adenosine, 2′,3′-anhydro-7,8-dihydro-8-oxo-

Cytidine, 4-deamino-3-deaza-5′-O-[(4-methoxyphenyl)diphenylmethyl]cytidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-

2-(5-O-Acetyl-β-D-ribofuranosyl)-4-methyl-2,4-diazabicyclo[4.1.0]heptane-3,5-dione

Uridine, 5-formyl-3-methyl-2′,3′-O-(1-methylethylidene)-, 5′-acetate

1-[5-O-Acetyl-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-7-(1,1-dimethylethoxy)-6-fluoro-3-methyl-1H-1,3-diazepine-2,4(3H,7H)-dione

1-[5-O-Acetyl-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-6-bromo-7-(1,1-dimethylethoxy)-3-methyl-1H-1,3-diazepine-2,4(3H,7H)-dione

Cytidine, 4-deamino-3-deaza-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-

Cytidine, 4-deamino-3-deaza-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-