Thymidine, 5′-O-[[[6-[(9,10-dihydro-9,10-dioxo-1-anthracenyl)amino]hexyl]oxy]hydroxyphosphinyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 5′-O-[[[5-[(9,10-dihydro-9,10-dioxo-1-anthracenyl)amino]pentyl]oxy]hydroxyphosphinyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 5′-O-[[4-[(9,10-dihydro-9,10-dioxo-1-anthracenyl)amino]butoxy]hydroxyphosphinyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

3,5,8,11-Tetraazatetradecanoic acid, 13-amino-2-[(4-aminophenyl)methyl]-9-[[[[(4R,5R)-5-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)dihydro-4-hydroxy-2(3H)-furanylidene]methyl]amino]carbonyl]-10,11-dimethyl-6-[2-(methylthio)ethyl]-4,7,12-trioxo-14-phenyl-, (2S,6S,9S,10S,13S)-

16-Thia-3,5,8,11-tetraazaheptadecanoic acid, 13-amino-9-[[[[(4R,5R)-5-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)dihydro-4-hydroxy-2(3H)-furanylidene]methyl]amino]carbonyl]-2-(1H-indol-3-ylmethyl)-10,11-dimethyl-6-[2-(methylthio)ethyl]-4,7,12-trioxo-, (2S,6S,9S,10S,13S)-

3,5,8,11-Tetraazatetradecanoic acid, 13-amino-9-[[[[(4R,5R)-5-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)dihydro-4-hydroxy-2(3H)-furanylidene]methyl]amino]carbonyl]-2-[(4-hydroxyphenyl)methyl]-10,11-dimethyl-6-[2-(methylthio)ethyl]-4,7,12-trioxo-14-phenyl-, (2S,6S,9S,10S,13S)-

Uridine, 4′,5′-didehydro-3′-deoxy-5′-[[(2S,3S)-2-[[(2S)-2-[[[[(1S)-1-carboxy-2-(1H-indol-3-yl)ethyl]amino]carbonyl]amino]-4-(methylthio)-1-oxobutyl]amino]-3-(methylamino)-1-oxobutyl]amino]-

2′-Deoxy-N-[(1,3-dithian-2-ylmethoxy)carbonyl]guanosine

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(1,3-dithian-2-ylmethoxy)carbonyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Guanosine, 2′-deoxy-N-[(1,3-dithian-2-ylmethoxy)carbonyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(1,3-dithian-2-ylmethoxy)carbonyl]guanosine

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(1,3-dithian-2-ylmethoxy)carbonyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(1,3-dithian-2-ylmethoxy)carbonyl]adenosine

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(1,3-dithian-2-ylmethoxy)carbonyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]