Adenosine, 2′-deoxy-N-(2-methyl-1-oxopropyl)-5′-O-phosphonoguanylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-N-benzoyl-2′-deoxy-

Cytidine, 2′-deoxy-N-(2-methyl-1-oxopropyl)-5′-O-phosphonoguanylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-

Guanosine, 5′-O-[bis(phenylamino)phosphinyl]thymidylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-thymidylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Thymidine, 5′-O-[bis(phenylamino)phosphinyl]thymidylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-

Guanosine, 5′-O-[bis(phenylamino)phosphinyl]thymidylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Thymidine, 5′-O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-

Thymidine, 5′-O-[2-(acetyloxy)-1-[2-(acetyloxy)-1-[(acetyloxy)methyl]ethoxy]ethyl]-, 3′-acetate

Cytidine, N-acetyl-2′-deoxy-5′-O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-, 3′-acetate

Thymidine, 5′-O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-, 3′-acetate

9-β-D-Arabinofuranosyl-2-ethyl-1,9-dihydro-6H-purin-6-one

9-β-D-Arabinofuranosyl-2-chloro-1,9-dihydro-6H-purin-6-one

9-β-D-Arabinofuranosyl-1,9-dihydro-2-methyl-6H-purin-6-one

Cytidine, N-acetyl-5′-O-[(2-cyanoethoxy)hydroxyphosphinyl]-2′-deoxycytidylyl-(3′→5′)-N-acetyl-2′-deoxycytidylyl-(3′→5′)-N-acetyl-2′-deoxy-

2′-Cytidylic acid, 5-fluoro-

7,10-Epoxy-1H-pyrimido[1,6-a]azocine-1,3,6(2H,5H)-trione, 7,8,9,10-tetrahydro-8,9-dihydroxy-2-methyl-, [7S-(7α,8α,9α,10α)]-

4,12-Epoxy-5H-1,3-dioxolo[4,5-f]pyrimido[1,6-a]azocine-5,8,10(6H,9H)-trione, 3a,4,12,12a-tetrahydro-2,2,9-trimethyl-, [3aS-(3aα,4β,12β,12aα)]-

9-[2-Amino-2-deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-arabinofuranosyl]-9H-purin-6-amine

4,11-Epoxy-1,3-dioxolo[4,5-e]pyrimido[1,6-a]azepine-6,8(4H,7H)-dione, 10-(aminomethyl)-3a,10,11,11a-tetrahydro-10-hydroxy-2,2,7-trimethyl-, [3aR-(3aα,4β,10α,11β,11aα)]-

4,12-Epoxy-5H-1,3-dioxolo[4,5-f]pyrimido[1,6-a]azocine-8,10(6H,9H)-dione, 3a,4,12,12a-tetrahydro-5,5-dimethoxy-2,2,9-trimethyl-, [3aS-(3aα,4β,12β,12aα)]-

7,10-Epoxy-1H-pyrimido[1,6-a]azocine-1,3(2H)-dione, 7,8,9,10-tetrahydro-6,8,9-trihydroxy-2-methyl-, [7S-(7α,8α,9α,10α)]-