Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-(2,5-dioxo-1-pyrrolidinyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-(2,5-dioxo-1-pyrrolidinyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-[(methoxyoxoacetyl)amino]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Methyl 6-[2-[[3-[(2R,3S,5R)-3-[[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]oxy]-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-2-furanyl]-1,2-dioxopropyl]amino]ethyl]-2,10,11-trioxo-12-oxa-3,6,9-triazatridecanoate

Methyl (2R,3S,5R)-3-[[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]oxy]-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-α-oxo-2-furanpropanoate

Uridine, 5,6-dihydro-6-(hydroxyamino)-

Guanosine, 2′-deoxycytidylyl-(3′→5′)-cytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[2,3-di-O-acetyl-5-deoxy-5-[(trifluoroacetyl)amino]-β-D-ribofuranosyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[2,3-di-O-acetyl-5-deoxy-5-[(trifluoroacetyl)amino]-β-D-ribofuranosyl]-

Cytidine, N-benzoyl-2′-O-[2,3-di-O-acetyl-5-deoxy-5-[(trifluoroacetyl)amino]-β-D-ribofuranosyl]-

Cytidine, N-benzoyl-2′-O-(2,3-di-O-acetyl-5-azido-5-deoxy-β-D-ribofuranosyl)-

Cytidine, N-benzoyl-2′-O-(2,3-di-O-acetyl-5-azido-5-deoxy-β-D-ribofuranosyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Cytidine, N-benzoyl-2′-O-[(2S,3R,4R)-3,4-bis(acetyloxy)tetrahydro-2-furanyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2,3,4-tri-O-acetyl-β-D-ribopyranosyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2,3,5-tri-O-benzoyl-α-L-arabinofuranosyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2,3,5-tri-O-benzoyl-α-D-arabinofuranosyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, N-benzoyl-2′-O-[(2S,3R,4R)-3,4-bis(acetyloxy)tetrahydro-2-furanyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2,3,4-tri-O-acetyl-β-D-ribopyranosyl)-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2,3,5-tri-O-benzoyl-α-L-arabinofuranosyl)-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2,3,5-tri-O-benzoyl-α-D-arabinofuranosyl)-