Cytidine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5-iodo-N-[(4-methoxyphenyl)diphenylmethyl]-

Adenosine, 2′-deoxy-3′-O-dephosphinicocytidylyl-1,3-propanediyl[[(3S)-3-amino-3-carboxypropyl]imino]-(5→5′)-5′-deoxy-

Adenosine, 2′-deoxy-3′-O-dephosphinico-3′,5′-bis-O-(4-methylbenzoyl)-N-[(4-methoxyphenyl)diphenylmethyl]cytidylyl-1,3-propanediyl[[(3S)-4-(1,1-dimethylethoxy)-3-[[(1,1-dimethylethoxy)carbonyl]amino]-4-oxobutyl]imino]-(5→5′)-N-benzoyl-5′-deoxy-2′,3′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

Cytidine, 2′-deoxy-3′,5′-bis-O-(4-methylbenzoyl)-N-[(4-methoxyphenyl)diphenylmethyl]-5-(3-oxopropyl)-