Uridine, 2′-O-[(acetylthio)methyl]uridylyl-(3′→5′)-2′-O-[(acetylthio)methyl]uridylyl-(3′→5′)-2′-O-[(acetylthio)methyl]uridylyl-(3′→5′)-2′-O-[(acetylthio)methyl]uridylyl-(3′→5′)-2′-O-[(acetylthio)methyl]uridylyl-(3′→5′)-2′-O-[(acetylthio)methyl]-

Uridine, 2′-O-[(acetyloxy)methyl]uridylyl-(3′→5′)-2′-O-[(acetyloxy)methyl]uridylyl-(3′→5′)-2′-O-[(acetyloxy)methyl]uridylyl-(3′→5′)-2′-O-[(acetyloxy)methyl]uridylyl-(3′→5′)-2′-O-[(acetyloxy)methyl]uridylyl-(3′→5′)-2′-O-[(acetyloxy)methyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[(2,2-dimethyl-1-oxopropyl)thio]methyl]-, 3′-[2-(trimethylsilyl)ethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(2,2-dimethyl-1-oxopropoxy)methyl]-, 3′-[2-(trimethylsilyl)ethyl bis(1-methylethyl)phosphoramidite]

Uridine, 2′-O-[(acetylthio)methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-(trimethylsilyl)ethyl bis(1-methylethyl)phosphoramidite]

Uridine, 2′-O-[(acetyloxy)methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-(trimethylsilyl)ethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[(2,2-dimethyl-1-oxopropyl)thio]methyl]-

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(2,2-dimethyl-1-oxopropoxy)methyl]uridine

Uridine, 2′-O-[(acetylthio)methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-

2′-O-[(Acetyloxy)methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]uridine

Uridine, 2′-O-[[(2,2-dimethyl-1-oxopropyl)thio]methyl]-

2′-O-[(2,2-Dimethyl-1-oxopropoxy)methyl]uridine

Uridine, 2′-O-[(acetylthio)methyl]-

2′-O-[(Acetyloxy)methyl]uridine

Uridine, 2′-O-[[(2,2-dimethyl-1-oxopropyl)thio]methyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Uridine, 2′-O-[(2,2-dimethyl-1-oxopropoxy)methyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

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

2′-O-[(Acetyloxy)methyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]uridine

1-[2-Deoxy-2-fluoro-3,5-bis-O-(tetrahydro-2H-pyran-2-yl)-β-L-ribofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-2-fluoro-3,5-bis-O-(tetrahydro-2H-pyran-2-yl)-β-L-ribofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione