Guanosine, N-(trimethylsilyl)-2′,3′,5′-tris-O-(trimethylsilyl)-6-Se-(trimethylsilyl)-6-seleno-

Guanosine, 2′-deoxy-N-(trimethylsilyl)-3′,5′-bis-O-(trimethylsilyl)-6-Se-(trimethylsilyl)-6-seleno-

Uridine, 5-methyl-2-seleno-

3,9-Dihydro-9-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-2H-purin-2-one

3′-Uridylic acid, 2′-O-(tetrahydro-2H-pyran-2-yl)-, 8-chloro-5-quinolinyl 2-cyanoethyl ester

Adenosine, N-benzoyl-3′-O-benzoyl-5′-O-[(4-methoxyphenyl)diphenylmethyl]-P-(2,2,2-tribromoethyl)adenylyl-(2′→5′)-N-benzoyl-3′-O-benzoyl-P-(2,2,2-tribromoethyl)adenylyl-(2′→5′)-N-benzoyl-, 2′,3′-dibenzoate

3′-Adenylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(tetrahydro-2H-pyran-2-yl)-, 5-chloro-8-quinolinyl 2-cyanoethyl ester

D-arabino-α-L-ido-7-Undeculo-7,3-pyranose-1,4-furanuronic acid, 1-(6-amino-9H-purin-9-yl)-6,10-anhydro-1,5-dideoxy-, 8-[(2E)-2-methyl-2-butenoate], (7R)-

D-arabino-α-L-ido-7-Undeculo-7,3-pyranose-1,4-furanuronic acid, 1-(6-amino-9H-purin-9-yl)-6,10-anhydro-1,5-dideoxy-2-O-methyl-, methyl ester, 8-[(2E)-2-methyl-2-butenoate], (7R)-

3′-Uridylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(tetrahydro-2H-pyran-2-yl)-, 5-chloro-8-quinolinyl 2-cyanoethyl ester

Adenosine, N-acetyl-2-(pentylthio)-, 2′,3′,5′-tribenzoate

Thymidine, α-[[(4-methylphenyl)sulfonyl]oxy]-, 5′-(4-methylbenzenesulfonate)

5′-Guanylic acid, 2′-deoxy-N-(phenylacetyl)-

3′-Guanylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(tetrahydro-2H-pyran-2-yl)-, 5-chloro-8-quinolinyl 2-cyanoethyl ester

3′-Cytidylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(tetrahydro-2H-pyran-2-yl)-, 5-chloro-8-quinolinyl 2-cyanoethyl ester

3′-Adenylic acid, N-benzoyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 5-chloro-8-quinolinyl 2-cyanoethyl ester

3′-Thymidylic acid, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 5-chloro-8-quinolinyl 2-cyanoethyl ester

3′-Uridylic acid, 2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 5-chloro-8-quinolinyl 2-cyanoethyl ester

3′-Uridylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(5-chloro-8-quinolinyl)-2′-O-(tetrahydro-2H-pyran-2-yl)uridylyl-(3′→5′)-2′-O-(tetrahydro-2H-pyran-2-yl)-, 5-chloro-8-quinolinyl 2-cyanoethyl ester

Adenosine, N-acetyl-2-(butylthio)-, 2′,3′,5′-tribenzoate