N-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-4,5-dihydro-3-iodo-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-6-yl]-2-methylpropanamide

N-[1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-3-bromo-4,5-dihydro-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-6-yl]-2-methylpropanamide

Cytidine, 2′-deoxy-7-iodo-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-7-iodo-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-7-iodo-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxy-

Cytidine, 7-bromo-2′-deoxy-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-7-bromo-2′-deoxy-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-7-bromo-2′-deoxy-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxy-

Cytidine, 2′-deoxy-7-iodo-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-7-iodo-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-7-iodo-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-7-iodo-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxy-

Cytidine, 7-bromo-2′-deoxy-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-7-bromo-2′-deoxy-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-7-bromo-2′-deoxy-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-7-bromo-2′-deoxy-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxy-

Cytidine, 2′-deoxy-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-8-aza-7-deazaguanylyl-(3′→5′)-2′-deoxy-

N-[1-(2-Deoxy-β-D-erythro-pentofuranosyl)-4,5-dihydro-3-iodo-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-6-yl]-2-methylpropanamide

N-[3-Bromo-1-(2-deoxy-β-D-erythro-pentofuranosyl)-4,5-dihydro-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-6-yl]-2-methylpropanamide

3′-Thymidylic acid, 5-amino-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-6-[1-[3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-5,6-dihydro-, mono(2-cyanoethyl) ester, intramol. 3′,5′′′-ester, (5R,6R)-

Uridine, 3′-amino-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Uridine, 3′-amino-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-

Uridine, 3′-azido-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-

Adenosine, N-benzoyl-3′-deoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-[[(4-methoxyphenyl)diphenylmethyl]amino]-, 5′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Adenosine, N-benzoyl-3′-deoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-[[(4-methoxyphenyl)diphenylmethyl]amino]-

Adenosine, 3′-amino-N-benzoyl-3′-deoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-

3′-Amino-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-2′-O-[(1,1-dimethylethyl)dimethylsilyl]adenosine

Adenosine, 3′-amino-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-