Thymidine, thymidylyl-(3′→5′)-3′-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)-

Thymidine, 5′-amino-5′-deoxythymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Cytidine, 5′-O-phosphonoguanylyl-(3′→5′)-adenylyl-(3′→5′)-uridylyl-(3′→5′)-

Cytidine, 5′-O-phosphonoguanylyl-(3′→5′)-adenylyl-(3′→5′)-uridylyl-(3′→5′)-cytidylyl-(3′→5′)-

Uridine, 5-[(2-chloroethyl)amino]-

Uridine, 5-[(2-hydroxyethyl)amino]-

Uridine, 5-[(trifluoroacetyl)amino]-

Uridine, 5-(ethylamino)-

9-β-D-Arabinofuranosyl-1,9-dihydro-8-(1-pyrrolidinyl)-6H-purin-6-one

Guanosine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-N-(2-methyl-1-oxopropyl)-2′-O-[(2-nitrophenyl)methyl]-, 3′-(4-chlorophenyl phenylphosphoramidate), (S)-

Adenosine, N-benzoyl-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-[(2-nitrophenyl)methyl]-, 3′-(4-chlorophenyl phenylphosphoramidate), (S)-

Cytidine, N-benzoyl-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-[(2-nitrophenyl)methyl]-, 3′-(4-chlorophenyl phenylphosphoramidate), (S)-

3′-Uridylic acid, 2′-O-[(2-nitrophenyl)methyl]cytidylyl-(3′→5′)-2′-O-[(2-nitrophenyl)methyl]-, 3′-(4-chlorophenyl) ester

Uridine, N-benzoyl-P-(4-chlorophenyl)-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-[(2-nitrophenyl)methyl]cytidylyl-(3′→5′)-2′-O-[(2-nitrophenyl)methyl]-, 3′-(4-chlorophenyl phenylphosphoramidate)

Guanosine, N-(2-methyl-1-oxopropyl)-2′-O-[(2-nitrophenyl)methyl]-, 3′-(4-chlorophenyl phenylphosphoramidate), (S)-

Adenosine, N-benzoyl-2′-O-[(2-nitrophenyl)methyl]-, 3′-(4-chlorophenyl phenylphosphoramidate), (S)-

Uridine, 2′-O-[(2-nitrophenyl)methyl]-, 3′-(4-chlorophenyl phenylphosphoramidate), (S)-

Guanosine, N-(2-methyl-1-oxopropyl)-2′-O-[(2-nitrophenyl)methyl]-, 3′-(4-chlorophenyl phenylphosphoramidate), (R)-

Adenosine, N-benzoyl-2′-O-[(2-nitrophenyl)methyl]-, 3′-(4-chlorophenyl phenylphosphoramidate), (R)-

Cytidine, N-benzoyl-2′-O-[(2-nitrophenyl)methyl]-, 3′-(4-chlorophenyl phenylphosphoramidate), (R)-