Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-α-[[2-[bis[2-[(trifluoroacetyl)amino]ethyl]amino]ethyl]amino]-α-oxo-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-α-[[2-[bis[2-[(trifluoroacetyl)amino]ethyl]amino]ethyl]amino]-α-oxo-

Thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidine

3′-Azido-3′-deoxy-5′-O-(phenylmethyl)uridine

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-2′-deoxy-N-(2-methyl-1-oxopropyl)-P-thioguanylyl-(3′→5′)-N-benzoyl-P(O)-(2-cyanoethyl)-2′-deoxy-P-thiocytidylyl-(3′→5′)-N-benzoyl-P(O)-(2-cyanoethyl)-2′-deoxy-P-thioadenylyl-(3′→5′)-P(O)-(2-cyanoethyl)-P-thiothymidylyl-(3′→5′)-, ..

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-3-[3,4,5-tris(octadecyloxy)benzoyl]thymidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-thiothymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-3-[3,4,5-tris(octadecyloxy)benzoyl]thymidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-3′-O-[bis(1-methylethyl)[4-[[[3,4,5-tris(octadecyloxy)phenyl]methoxy]carbonyl]phenyl]silyl]thymidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-thiothymidylyl-(3′→5′)-3′-O-[bis(1-methylethyl)[4-[[[3,4,5-tris(octadecyloxy)phenyl]methoxy]carbonyl]phenyl]silyl]thymidine

4-Amino-1-[5-O-[[(2R)-2,3-bis[(1-oxooctadecyl)oxy]propoxy]hydroxyphosphinyl]-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

N-[1-[5-O-[[(2R)-2,3-Bis[[(9Z)-1-oxo-9-octadecen-1-yl]oxy]propoxy]hydroxyphosphinyl]-2,3-bis-O-(1,4-dioxopentyl)-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-4-oxopentanamide

N-[1-[5-O-[[(2R)-2,3-Bis[(1-oxooctadecyl)oxy]propoxy]hydroxyphosphinyl]-2,3-bis-O-(1,4-dioxopentyl)-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-4-oxopentanamide

N-[1-[5-O-[[(2R)-2,3-Bis[(1-oxohexadecyl)oxy]propoxy]hydroxyphosphinyl]-2,3-bis-O-(1,4-dioxopentyl)-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-4-oxopentanamide

N-[1-[5-O-[[(2R)-2,3-Bis[[(9Z)-1-oxo-9-octadecen-1-yl]oxy]propoxy](2-chlorophenoxy)phosphinyl]-2,3-bis-O-(1,4-dioxopentyl)-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-4-oxopentanamide

N-[1-[5-O-[[(2R)-2,3-Bis[(1-oxooctadecyl)oxy]propoxy](2-chlorophenoxy)phosphinyl]-2,3-bis-O-(1,4-dioxopentyl)-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-4-oxopentanamide

N-[1-[5-O-[[(2R)-2,3-Bis[(1-oxohexadecyl)oxy]propoxy](2-chlorophenoxy)phosphinyl]-2,3-bis-O-(1,4-dioxopentyl)-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-4-oxopentanamide

N-[1-[2,3-Bis-O-(1,4-dioxopentyl)-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-arabinofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-4-oxopentanamide

Adenosine, 2′-deoxy-3′-C-ethynyl-

Adenosine, 2′-deoxy-3′-C-ethynyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Uridine, 2′-deoxy-3′-C-ethynyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-