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

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

Uridine, 2′-O-[bis[2-(acetyloxy)ethoxy]methyl]-5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]-

Guanosine, 2′-O-[bis[2-(acetyloxy)ethoxy]methyl]-5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]-N-(2-methyl-1-oxopropyl)-

Guanosine, 2′-O-[bis[2-(acetyloxy)ethoxy]methyl]-5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]-N-(2-methyl-1-oxopropyl)-, 3′-[methyl bis(1-methylethyl)phosphoramidite]

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

Adenosine, 2′-O-[bis[2-(acetyloxy)ethoxy]methyl]-5′-O-[1-(cyclododecyloxy)-3,3,3-trimethyl-1-[(trimethylsilyl)oxy]disiloxanyl]-N-(2-methyl-1-oxopropyl)-

2′-O-[Bis[2-(acetyloxy)ethoxy]methyl]-N-(2-methyl-1-oxopropyl)adenosine

Uridine, 2′-O-[bis[2-(acetyloxy)ethoxy]methyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, 2′-O-[bis[2-(acetyloxy)ethoxy]methyl]-N-(2-methyl-1-oxopropyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Cytidine, N-acetyl-2′-O-[bis[2-(acetyloxy)ethoxy]methyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Adenosine, 2′-O-[bis[2-(acetyloxy)ethoxy]methyl]-N-(2-methyl-1-oxopropyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Adenosine, 2′-deoxy-N-[(3R,4S)-3,4-dihydro-4-hydroxycyclopenta[cd]pyren-3-yl]-

Adenosine, 2′-deoxy-N-[(3S,4R)-3,4-dihydro-4-hydroxycyclopenta[cd]pyren-3-yl]-

Adenosine, 2′-deoxy-N-[(3R,4S)-3,4-dihydro-4-hydroxycyclopenta[cd]pyren-3-yl]-, 3′,5′-bis(4-methylbenzoate)