Guanosine, 5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]-N-(2-methyl-1-oxopropyl)-, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate]

Guanosine, N-(2-methyl-1-oxopropyl)-, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate]

Guanosine, N-(2-methyl-1-oxopropyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate]

Cytidine, N-acetyl-5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]-, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate] 3′-[methyl bis(1-methylethyl)phosphoramidite]

Cytidine, N-acetyl-5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]-, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate]

Cytidine, N-acetyl-, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate]

Cytidine, N-acetyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate]

Uridine, 5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]-, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate] 3′-[methyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]-, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate]

Uridine, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate]

Uridine, 3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate]

Adenosine, 5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]-N-(2-methyl-1-oxopropyl)-, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate] 3′-[methyl bis(1-methylethyl)phosphoramidite]

Adenosine, 5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]-N-(2-methyl-1-oxopropyl)-, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate]

Adenosine, N-(2-methyl-1-oxopropyl)-, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate]

Adenosine, N-(2-methyl-1-oxopropyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 2′-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]carbamate]

Uridine, 5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]-2′-O-[2-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]amino]-2-oxoethyl]-, 3′-[methyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]-2′-O-[2-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]amino]-2-oxoethyl]-

Uridine, 2′-O-[2-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]amino]-2-oxoethyl]-

Uridine, 3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-O-[2-[[2-[2-[(1,4-dioxopentyl)oxy]ethoxy]ethyl]amino]-2-oxoethyl]-

Uridine, 3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-O-[2-[[2-(2-hydroxyethoxy)ethyl]amino]-2-oxoethyl]-