Thymidine, P-(2-cyanoethyl)-2′-deoxy-N-[[4-(1,1-dimethylethyl)phenoxy]acetyl]adenylyl-(3′→5′)-, 3′-[2-(2-nitrophenyl)propyl carbonate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-(4-nitrophenyl)ethyl diethylphosphoramidite]

Thymidine, P-[2-(4-nitrophenyl)ethyl]thymidylyl-(3′→5′)-, 3′-[2-(2-nitrophenyl)propyl carbonate]

Guanosine, 2′-deoxy-N-[(dimethylamino)methylene]-, 3′-[2-(2-nitrophenyl)propyl carbonate]

Guanosine, P-(2-cyanoethyl)thymidylyl-(3′→5′)-2′-deoxy-N-[(dimethylamino)methylene]-, 3′-[2-(2-nitrophenyl)propyl carbonate]

Cytidine, N-acetyl-2′-deoxy-, 3′-[2-(2-nitrophenyl)propyl carbonate]

Cytidine, P-(2-cyanoethyl)thymidylyl-(3′→5′)-N-acetyl-2′-deoxy-, 3′-[2-(2-nitrophenyl)propyl carbonate]

Thymidine, 3′-[2-(4-nitrophenyl)propyl carbonate]

Thymidine, P-(2-cyanoethyl)thymidylyl-(3′→5′)-, 3′-[2-(4-nitrophenyl)propyl carbonate]

Thymidine, P-(2-cyanoethyl)thymidylyl-(3′→5′)-, 3′-[2-(2-nitrophenyl)propyl carbonate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-(2-bromoethyl diethylphosphoramidite)

(5′S)-5′-O-(5-Amino-5-deoxy-β-D-ribofuranosyl)-5′-C-[(2S,5S,6S)-5-carboxy-6-[[(3S)-3-[[(3S)-5-[(6-deoxy-2,3,4-tri-O-methyl-α-L-mannopyranosyl)oxy]-3-methyl-1,5-dioxopentyl]oxy]-12-methyl-1-oxotetradecyl]oxy]hexahydro-1,4-dimethyl-3-oxo-1H-1,4-diazepin-2-yl]uridine

(5′S)-5′-O-(5-Amino-5-deoxy-β-D-ribofuranosyl)-5′-C-[(2S,5S,6S)-5-carboxy-6-[[(3S)-3-[[(3S)-5-[(6-deoxy-2,3,4-tri-O-methyl-α-L-mannopyranosyl)oxy]-3-methyl-1,5-dioxopentyl]oxy]-13-methyl-1-oxotetradecyl]oxy]hexahydro-1,4-dimethyl-3-oxo-1H-1,4-diazepin-2-yl]uridine

Adenosine, N-benzoyl-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-(2,2-dimethyl-1-oxopropyl)-5′-O-(phenylmethyl)-

3′-Adenylic acid, 2′-deoxy-4′-C-(2,2-dimethyl-1-oxopropyl)-5′-O-(phenylmethyl)-, diethyl ester

Adenosine, 2′-deoxy-4′-C-(2,2-dimethyl-1-oxopropyl)-5′-O-(phenylmethyl)-

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-4′-C-(2,2-dimethyl-1-oxopropyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-4′-C-(2,2-dimethyl-1-oxopropyl)-

Adenosine, N-benzoyl-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-4′-C-(2,2-dimethyl-1-oxopropyl)-, 5′-benzoate

Adenosine, 1,6-dihydro-, 2′,3′,5′-triacetate