Guanosine, 2′-O-(cyanomethyl)-N-(2-methyl-1-oxopropyl)-6-O-(2-nitrophenyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, N-(2-methyl-1-oxopropyl)-6-O-(2-nitrophenyl)-2′-O-2-propynyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, N-(2-methyl-1-oxopropyl)-6-O-(2-nitrophenyl)-2′-O-2-propenyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, 2′-O-methyl-N-(2-methyl-1-oxopropyl)-6-O-(2-nitrophenyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, 2′-O-(2-ethoxy-2-oxoethyl)-6-O-(2-nitrophenyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, 2′-O-(cyanomethyl)-6-O-(2-nitrophenyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, 6-O-(2-nitrophenyl)-2′-O-2-propynyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, 6-O-(2-nitrophenyl)-2′-O-2-propenyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

2′-O-Methyl-6-O-(2-nitrophenyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]guanosine

6-O-(2-Nitrophenyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]guanosine

Guanosine, N-[(dimethylamino)methylene]-2′-O-2-propenyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 6-(diphenylcarbamate)

Guanosine, N-[(dimethylamino)methylene]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 6-(diphenylcarbamate)

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)-