Cytidine, N-benzoyl-P-(4-chlorophenyl)-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-[(2-nitrophenyl)methyl]adenylyl-(3′→5′)-P-(4-chlorophenyl)-N-(2-methyl-1-oxopropyl)-2′-O-[(2-nitrophenyl)methyl]guanylyl-(3′→5′)-N-benzoyl-2′-O-[(2-nitrophenyl)methyl]-, 3′-(4-chlorophenyl phenylphosphoramidate)

Guanosine, N-benzoyl-P-(4-chlorophenyl)-2′-O-[(2-nitrophenyl)methyl]cytidylyl-(3′→5′)-N-(2-methyl-1-oxopropyl)-2′-O-[(2-nitrophenyl)methyl]-, 3′-(4-chlorophenyl phenylphosphoramidate)

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

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

Guanosine, N-benzoyl-P-(4-chlorophenyl)-2′-O-[(2-nitrophenyl)methyl]cytidylyl-(3′→5′)-P-(2-chlorophenyl)-2′-O-[(2-nitrophenyl)methyl]uridylyl-(3′→5′)-P-(4-chlorophenyl)-N-(2-methyl-1-oxopropyl)-2′-O-[(2-nitrophenyl)methyl]guanylyl-(3′→5′)-N-(2-methyl-1-oxopropyl)-2′-O-[(2-nitrophenyl)methyl]-, 3′-(N...

Guanosine, P-(4-chlorophenyl)-N-(2-methyl-1-oxopropyl)-2′-O-[(2-nitrophenyl)methyl]guanylyl-(3′→5′)-N-(2-methyl-1-oxopropyl)-2′-O-[(2-nitrophenyl)methyl]-, 3′-(N,N′-diphenylphosphorodiamidate)

Cytidine, P-(4-chlorophenyl)-N-(2-methyl-1-oxopropyl)-2′-O-[(2-nitrophenyl)methyl]guanylyl-(3′→5′)-N-benzoyl-2′-O-[(2-nitrophenyl)methyl]-, 3′-(4-chlorophenyl phenylphosphoramidate)

3′-Adenylic acid, P-(4-chlorophenyl)-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-[(2-nitrophenyl)methyl]uridylyl-(3′→5′)-N-benzoyl-2′-O-[(2-nitrophenyl)methyl]-, mono(4-chlorophenyl) ester

3′-Uridylic acid, N-benzoyl-P-(4-chlorophenyl)-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-[(2-nitrophenyl)methyl]cytidylyl-(3′→5′)-2′-O-[(2-nitrophenyl)methyl]-, mono(4-chlorophenyl) ester

Thymidine 5′-(trihydrogen diphosphate), P′-(3-amino-3,6-dideoxyhexopyranosyl) ester

Uridine 5′-(trihydrogen diphosphate), P′-[2-(acetylamino)-2,6-dideoxyhexopyranos-4-ulos-1-yl] ester

Uridine 5′-(trihydrogen diphosphate), P′-[2-(acetylamino)-4-amino-2,4,6-trideoxyhexopyranosyl] ester

Adenosine 5′-(trihydrogen diphosphate), P′-β-D-glucopyranosyl ester

9H-Purin-6-amine, 9-β-D-arabinofuranosyl-, 1-oxide

Adenosine, N,N-dibenzoyl-, 2′,3′-dibenzoate 5′-[hydrogen [(5S)-6-amino-5-[[(1,1-dimethylethoxy)carbonyl]amino]-6-oxohexyl]phosphoramidothioate]

Adenosine, N,N-dibenzoyl-, 2′,3′-dibenzoate 5′-[hydrogen (4-nitrophenyl)phosphoramidothioate]

Adenosine, 5′-(N-ethylsulfamate)

Adenosine, 5′-[hydrogen N-[(5S)-6-amino-5-[[(1,1-dimethylethoxy)carbonyl]amino]-6-oxohexyl]phosphoramidate]

Adenosine, 5′-[hydrogen N-(4-nitrophenyl)phosphoramidate]

2-[[8-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-7,8-dihydro-6-methyl-4-[2-(4-nitrophenyl)ethoxy]-7-oxo-2-pteridinyl]amino]ethyl 2-(4-nitrophenyl)ethyl carbonate