6-(2-Deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)imidazo[1,2-c]pyrimidin-5(6H)-one

3-(2-Deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-3,4-dihydro-9H-imidazo[1,2-a]purin-9-one

3-(2-Deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-3H-diimidazo[1,2-c:4′,5′-e][1,2,3]triazine

Uridine, 2′-deoxy-3-(4-ethoxybenzoyl)-5-fluoro-, 3′,5′-dipentanoate

Uridine, 2′-deoxy-5-fluoro-3-(3-fluorobenzoyl)-, 3′,5′-dihexanoate

Uridine, 2′-deoxy-5-fluoro-3-(3-fluorobenzoyl)-, 3′,5′-dioctanoate

Uridine, 2′-deoxy-3-(3,4-dimethoxybenzoyl)-5-fluoro-, 3′,5′-dibutanoate

Uridine, 3-benzoyl-2′-deoxy-5-fluoro-, 3′,5′-dibutanoate

Adenosine, N-benzoyl-P-(4-chlorophenyl)-3′-O-[(2-nitrophenyl)methyl]adenylyl-(2′→5′)-N,N-dibenzoyl-3′-O-[(2-nitrophenyl)methyl]-, 2′-benzoate

Adenosine, N-benzoyl-5′-O-[bis(phenylamino)phosphinyl]-P-(4-chlorophenyl)-3′-O-[(2-nitrophenyl)methyl]adenylyl-(2′→5′)-N-benzoyl-P-(4-chlorophenyl)-3′-O-[(2-nitrophenyl)methyl]adenylyl-(2′→5′)-N-benzoyl-3′-O-[(2-nitrophenyl)methyl]-, 2′-benzoate

Adenosine, P-amino-P-deoxyadenylyl-(2′→5′)-P-amino-P-deoxyadenylyl-(2′→5′)-

Uridine, 2′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-, 5′-(4-oxopentanoate) 3′-(2,2,2-tribromoethyl 4-morpholinylphosphonate)

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[(4-chlorophenoxy)hydroxyphosphinyl]-2-deoxy-β-D-erythro-pentofuranosyl]-5-methyl-4-(1H-1,2,4-triazol-1-yl)-2(1H)-pyrimidinone

Adenosine, 2-[(5-methyl-2-pyridinyl)amino]-

3′-Thymidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-, 4-chlorophenyl 2-cyanoethyl ester

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-2′-deoxyadenylyl-(3′→5′)-P-(4-chlorophenyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-P-(4-chlorophenyl)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-, 3′-benzoate

3′-Thymidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-P-(4-chlorophenyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-P-(4-chlorophenyl)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-, 4-chlorophenyl 2-cyanoethyl ester

Cytidine, P-(4-chlorophenyl)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-, 3′-benzoate

3′-Thymidylic acid, P-(4-chlorophenyl)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-, 4-chlorophenyl 2-cyanoethyl ester

3′-Guanylic acid, P-(4-chlorophenyl)-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 4-chlorophenyl 2-cyanoethyl ester