Adenosine, 5′,5′′′-[P,P′,P′′-tris(2-cyanoethyl) hydrogen tetraphosphite]

Adenosine, 5′,5′′′-[P,P′-bis(2-cyanoethyl) hydrogen triphosphite]

Thymidine, 5′,5′′′-[P,P′-bis(2-cyanoethyl) P′′-hydrogen triphosphite]

3′-Cytidylic acid, N-benzoyl-2′-deoxy-5-methyl-, 4-chlorophenyl 2-cyanoethyl ester

Cytidine, N-benzoyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-5-methyl-, 3′-(4-oxopentanoate)

1-[2-Deoxy-3-O-(1,4-dioxopentyl)-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-erythro-pentofuranosyl]-5-methyl-4-(1H-tetrazol-1-yl)-2(1H)-pyrimidinone

Cytidine, 2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-5-methyl-, 3′-(4-oxopentanoate)

1-[2-Deoxy-3-O-(1,4-dioxopentyl)-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-erythro-pentofuranosyl]-5-methyl-4-(1H-1,2,4-triazol-1-yl)-2(1H)-pyrimidinone

3′-Uridylic acid, 2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 4-chlorophenyl 2-cyanoethyl ester

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-(4-oxopentanoate)

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 4-(4-methylbenzenesulfonate) 3′-(4-oxopentanoate)

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

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-methylthymidylyl-(3′→5′)-, 3′-[4-[(3-hydroxypropyl)amino]-4-oxobutanoate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-methylthymidylyl-(3′→5′)-P-methylthymidylyl-(3′→5′)-P-methylthymidylyl-(3′→5′)-P-methylthymidylyl-(3′→5′)-P-methylthymidylyl-(3′→5′)-

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

Thymidine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-

3′-Adenylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 2,5-dichlorophenyl 2-(4-nitrophenyl)ethyl ester

2-Phenyl-9-β-D-ribofuranosyl-9H-purine

3′-Guanylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 2,5-dichlorophenyl 2-(4-nitrophenyl)ethyl ester

6-Chloro-2-(5-methyl-2-furanyl)-9-β-D-ribofuranosyl-9H-purine