Cytidine, 3′-O-[3-hydroxy-1,1,3,3-tetrakis(1-methylethyl)disiloxanyl]-2′-O-methyl-N-[[(trichloroacetyl)amino]carbonyl]-, 5′-[(trichloroacetyl)carbamate]

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

Cytidine, 3′-O-[3-hydroxy-1,1,3,3-tetrakis(1-methylethyl)disiloxanyl]-2′-O-methyl-

2(1H)-Pyrimidinone, 4-amino-1-[5-O-[3-hydroxy-1,1,3,3-tetrakis(1-methylethyl)disiloxanyl]-β-D-arabinofuranosyl]-

Cytidine, 5′-O-[3-hydroxy-1,1,3,3-tetrakis(1-methylethyl)disiloxanyl]-2′-O-methyl-

Cytidine, 5′-O-[3-hydroxy-1,1,3,3-tetrakis(1-methylethyl)disiloxanyl]-2′-O-methyl-N-[[(trichloroacetyl)amino]carbonyl]-, 3′-[(trichloroacetyl)carbamate]

Thymidine, 3′-O-[3-hydroxy-1,1,3,3-tetrakis(1-methylethyl)disiloxanyl]-, 5′-[(trichloroacetyl)carbamate]

Cytidine, 2′-O-methyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Thymidine, 5′-O-[3-hydroxy-1,1,3,3-tetrakis(1-methylethyl)disiloxanyl]-, 3′-[(trichloroacetyl)carbamate]

Uridine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-2′-O-(tetrahydro-2H-pyran-2-yl)cytidylyl-(3′→5′)-N-benzoyl-P-(4-chlorophenyl)-2′-O-(tetrahydro-2H-pyran-2-yl)adenylyl-(3′→5′)-2′,3′-O-(methoxymethylene)-

Thymidine, 5′-O-[3-hydroxy-1,1,3,3-tetrakis(1-methylethyl)disiloxanyl]-

Thymidine, 3′-O-[3-hydroxy-1,1,3,3-tetrakis(1-methylethyl)disiloxanyl]-

3′-Guanylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-2′-O-(tetrahydro-2H-pyran-2-yl)guanylyl-(3′→5′)-N-benzoyl-P-(4-chlorophenyl)-2′-O-(tetrahydro-2H-pyran-2-yl)guanylyl-(3′→5′)-N-benzoyl-2′-O-(tetrahydro-2H-pyran-2-yl)-, 4-chlorophenyl 2-cyanoethyl ester

Uridine, N-benzoyl-P-(4-chlorophenyl)-2′-O-(tetrahydro-2H-pyran-2-yl)cytidylyl-(3′→5′)-N-benzoyl-P-(4-chlorophenyl)-2′-O-(tetrahydro-2H-pyran-2-yl)adenylyl-(3′→5′)-2′,3′-O-(methoxymethylene)-

3′-Guanylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-2′-O-(tetrahydro-2H-pyran-2-yl)guanylyl-(3′→5′)-N-benzoyl-2′-O-(tetrahydro-2H-pyran-2-yl)-, 4-chlorophenyl 2-cyanoethyl ester

3′-Cytidylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(tetrahydro-2H-pyran-2-yl)-, mono(4-chlorophenyl) ester

3′-Guanylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-2′-O-(tetrahydro-2H-pyran-2-yl)guanylyl-(3′→5′)-N-benzoyl-P-(4-chlorophenyl)-2′-O-(tetrahydro-2H-pyran-2-yl)guanylyl-(3′→5′)-N-benzoyl-2′-O-(tetrahydro-2H-pyran-2-yl)-, mono(4-chlorophenyl) ester

3′-Guanylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-2′-O-(tetrahydro-2H-pyran-2-yl)guanylyl-(3′→5′)-N-benzoyl-2′-O-(tetrahydro-2H-pyran-2-yl)-, mono(4-chlorophenyl) ester

6,9-Epoxy-2H-pyrimido[1,2-a][1,3]diazocin-2-one, 11-acetyl-7,8-bis(acetyloxy)-6,7,8,9,10,11-hexahydro-, [6R-(6α,7β,8α,9α)]-

3′-Guanylic acid, N-benzoyl-2′-O-(tetrahydro-2H-pyran-2-yl)-, 4-chlorophenyl 2-cyanoethyl ester