Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)thymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-(9H-fluoren-9-ylmethyl carbonate)

Thymidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)-2′-deoxyadenylyl-(3′→5′)-, 3′-(9H-fluoren-9-ylmethyl carbonate)

Cytidine, N-benzoyl-2′-deoxy-, 3′-(9H-fluoren-9-ylmethyl carbonate)

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-(9H-fluoren-9-ylmethyl carbonate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-(9H-fluoren-9-ylmethyl carbonate)

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

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

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

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