1-[(3aR,4R,6R,6aS)-6-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]hexahydro-3-methyl-2-oxofuro[3,4-d]oxazol-4-yl]-2,4(1H,3H)-pyrimidinedione

(2R,3R,3aS,9aR)-2-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-2,3,3a,9a-tetrahydro-3-[[(methylamino)carbonyl]oxy]-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one

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

Cytidine, 2′-deoxy-N-(4-methoxybenzoyl)-, 3′-(4-oxopentanoate)

Adenosine, N-benzoyl-2′-deoxy-, 3′-(4-oxopentanoate)

2′-Deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidine

Thymidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-2′-deoxyadenylyl-(3′→5′)-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-2′-deoxy-N-(diphenylacetyl)-

Guanosine, 2′-deoxy-N-(diphenylacetyl)-, 3′-(4-oxopentanoate)

Thymidine, P-(2-chlorophenyl)thymidylyl-(3′→5′)-, 3′-(4-oxopentanoate)

Thymidine, N-benzoyl-P-(2-chlorophenyl)-2′-deoxyadenylyl-(3′→5′)-, 3′-(4-oxopentanoate)

2-Cyanoethyl 4-[[(1R,2R)-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2-(4-nitrophenyl)ethyl]amino]-4-oxobutyl N-benzoyl-2′-deoxy-3′-cytidylate

2-Cyanoethyl 3-[[(1R,2R)-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2-(4-nitrophenyl)ethyl]amino]-3-oxopropyl N-benzoyl-2′-deoxy-3′-cytidylate

2-Cyanoethyl 4-[[(1R,2R)-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2-(4-nitrophenyl)ethyl]amino]-4-oxobutyl N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-cytidylate

2-Cyanoethyl 3-[[(1R,2R)-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2-(4-nitrophenyl)ethyl]amino]-3-oxopropyl N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-cytidylate

3′-Cytidylic acid, 2′-deoxycytidylyl-(3′→5′)-2′-deoxy-, 3′-[4-[[(1R,2R)-2-hydroxy-1-(hydroxymethyl)-2-(4-nitrophenyl)ethyl]amino]-4-oxobutyl] ester

3′-Cytidylic acid, 2′-deoxycytidylyl-(3′→5′)-2′-deoxy-, 3′-[3-[[(1R,2R)-2-hydroxy-1-(hydroxymethyl)-2-(4-nitrophenyl)ethyl]amino]-3-oxopropyl] ester

3′-Cytidylic acid, 2′-deoxy-, mono[4-[[(1R,2R)-2-hydroxy-1-(hydroxymethyl)-2-(4-nitrophenyl)ethyl]amino]-4-oxobutyl] ester

3′-Cytidylic acid, 2′-deoxy-, mono[3-[[(1R,2R)-2-hydroxy-1-(hydroxymethyl)-2-(4-nitrophenyl)ethyl]amino]-3-oxopropyl] ester

Uridine, 5′-C-(acetyloxy)-3′,5′-O-1,2-ethanediyl-, 2′-acetate, (5′R)-