Thymidine, [[5,5′′:6,6′′-dicyclo]-(5R,6R)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5,6-dihydro-P-methylthymidylyl-(3′→5′)-(5S,6S)-P-(2-cyanoethyl)-5,6-dihydrothymidylyl]-(3′→5′)-, 3′-(hydrogen butanedioate)

Adenosine, [[5,5′′:6,6′′-dicyclo]-(5R,6R)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5,6-dihydro-P-methylthymidylyl-(3′→5′)-(5S,6S)-P-(2-cyanoethyl)-5,6-dihydrothymidylyl]-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-(hydrogen butanedioate)

Guanosine, [[5,5′′:6,6′′-dicyclo]-(5R,6R)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5,6-dihydro-P-methylthymidylyl-(3′→5′)-(5S,6S)-P-(2-cyanoethyl)-5,6-dihydrothymidylyl]-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-(hydrogen butanedioate)

Cytidine, [[5,5′′:6,6′′-dicyclo]-(5R,6R)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5,6-dihydro-P-methylthymidylyl-(3′→5′)-(5S,6S)-P-(2-cyanoethyl)-5,6-dihydrothymidylyl]-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-(hydrogen butanedioate)

Thymidine, [5,5′′:6,6′′-dicyclo]-(5R,6R)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5,6-dihydro-P-methylthymidylyl-(3′→5′)-5,6-dihydro-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite], (5S,6S)-