(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-5-(1-pyrenylmethyl)-2-oxa-5-azabicyclo[2.2.1]hept-7-yl 2-cyanoethyl bis(1-methylethyl)phosphoramidite

Phosphoramidous acid, bis(1-methylethyl)-, (1R,3R,4R,7S)-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-5-(phenylmethyl)-2-oxa-5-azabicyclo[2.2.1]hept-7-yl 2-cyanoethyl ester

Phosphoramidous acid, bis(1-methylethyl)-, (1R,3R,4R,7S)-5-benzoyl-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2-oxa-5-azabicyclo[2.2.1]hept-7-yl 2-cyanoethyl ester

1-[(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-5-(1-pyrenylcarbonyl)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

2-[2-[(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-3-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-7-hydroxy-2-oxa-5-azabicyclo[2.2.1]hept-5-yl]ethyl]-1H-isoindole-1,3(2H)-dione

1-[(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-5-(1-pyrenylmethyl)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-5-(phenylmethyl)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1R,3R,4R,7S)-5-Benzoyl-1-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

2-[2-[(1R,3R,4R,7S)-3-(3,4-Dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-7-hydroxy-1-(hydroxymethyl)-2-oxa-5-azabicyclo[2.2.1]hept-5-yl]ethyl]-1H-isoindole-1,3(2H)-dione

1-[(1R,3R,4R,7S)-7-Hydroxy-1-(hydroxymethyl)-5-(1-pyrenylmethyl)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1R,3R,4R,7S)-7-Hydroxy-1-(hydroxymethyl)-5-(phenylmethyl)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1R,3R,4R,7S)-5-Benzoyl-7-hydroxy-1-(hydroxymethyl)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

3′-Adenylic acid, 3′-[[2-(6-amino-7H-purin-7-yl)ethoxy]methyl] ester, 5′-[(2Z)-2-(3,4-dimethoxy-5-oxo-2(5H)-furanylidene)ethyl hydrogen phosphate]

3′-Adenylic acid, 3′-[[2-(6-amino-7H-purin-7-yl)ethoxy]methyl] ester, 5′-(dihydrogen phosphate)

3′-Adenylic acid, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]-, mono[[2-(6-amino-7H-purin-7-yl)ethoxy]methyl] ester, 5′-[bis[(1,1-dimethylethyl)dimethylsilyl] phosphate]

5′-Adenylic acid, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]-, bis[(1,1-dimethylethyl)dimethylsilyl] ester

Cytidine, 5′-O-phosphonocytidylyl-(3′→5′)-cytidylyl-(3′→5′)-2′,3′-O-[[4-[(2-chloroethyl)methylamino]-phenyl]methylene]-

Thymidine, 5′-O-phosphonothymidylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-

Cytidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]thymidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxobutyl)guanylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-thymidylyl-(3′→5′)...

Uridine, cyclic 3′,5′-[(4-nitrophenyl)methyl phosphate], (S)-