Adenosine, N-(5-oxo-2-pyrrolidinyl)-

Adenosine, N-(2,5-dioxo-3-pyrrolidinyl)-, 2′,3′,5′-triacetate, (R)-

Adenosine, N-(2,5-dioxo-3-pyrrolidinyl)-, 2′,3′,5′-triacetate, (S)-

Adenosine, N-[5-oxo-4,4-bis(phenylthio)-2-pyrrolidinyl]-, 2′,3′,5′-triacetate

Adenosine, N-(5-oxo-2-pyrrolidinyl)-, 2′,3′,5′-triacetate

Adenosine, N-[3-methyl-4-[(trimethylsilyl)oxy]butyl]-

5′-Adenylic acid, N-[3-methyl-4-[(trimethylsilyl)oxy]-2-butenyl]-, (E)-

Thymidine, 5′-[bis(2-cyanoethyl) phosphite] 3′-(2-phenoxyacetate)

Thymidine, 5′-(hydrogen phosphonate) 3′-(2-phenoxyacetate)

Thymidine, 5′-O-[bis(1,1-dimethylethoxy)phosphino]-P-deoxythymidylyl-(3′→5′)-P-deoxythymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, P-deoxy-5′-O-(hydroxyphosphinyl)thymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 5′-O-[bis(1,1-dimethylethoxy)phosphino]-P-deoxythymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 5′-[bis(1,1-dimethylethyl) phosphite]

Thymidine, 5′-[bis(1,1-dimethylethyl) phosphite]

Thymidine, 3′-benzoate 5′-[bis(1,1-dimethylethyl) phosphite]

5′-Cytidylic acid, 5-bromo-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-O-methyl-, bis[2-[(2,2-dimethyl-1-oxopropyl)thio]ethyl] ester

Cytidine, 5-bromo-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-O-methyl-

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 2-amino-7-(2,5-di-O-acetyl-3-deoxy-β-D-erythro-pentofuranosyl)-1,7-dihydro-

Guanosine, 3′-deoxy-2′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 2-amino-1,7-dihydro-7-[2-O-methyl-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-ribofuranosyl]-