Cytidine, N-benzoyl-2′-O-(cyanomethyl)-

Uridine, 2′-O-(cyanomethyl)-4-O-(2,6-dichlorophenyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

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

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

Uridine, 2′-O-(cyanomethyl)-3-[(2,2-dimethyl-1-oxopropoxy)methyl]-

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

N-(Methoxycarbonyl)valyl-(2′R)-2′-deoxy-2′-fluoro-5-(hydroxymethyl)-2′-methyl-P-phenyl-5′-uridylylalanine 1-methylethyl ester

O3-[N-[[(Hexahydro-2H-cyclopenta[b]furan-5-yl)oxy]carbonyl]-L-valyl]-[P(S),2′R]-2′-deoxy-2′-fluoro-3-(hydroxymethyl)-2′-methyl-P-phenyl-5′-uridylyl-L-alanine 1-methylethyl ester

N-[[P(S),2′R]-2′-Deoxy-2′-fluoro-3-[[[[2-(methoxycarbonyl)-2-azabicyclo[2.2.1]hept-3-yl]carbonyl]oxy]methyl]-2′-methyl-P-phenyl-5′-uridylyl]-L-alanine 1-methylethyl ester

N-(Methoxycarbonyl)-2-phenylglycyl-(2′R)-2′-deoxy-2′-fluoro-5-(hydroxymethyl)-2′-methyl-P-phenyl-5′-uridylylalanine 1-methylethyl ester

O3-[N-(1-Methylethylidene)glycyl]-[P(S),2′R]-2′-deoxy-2′-fluoro-3-(hydroxymethyl)-2′-methyl-P-phenyl-3′-O-(triethylsilyl)-5′-uridylyl-L-alanine 1-methylethyl ester

O3-[(2R)-N-[(Cyclohexyloxy)carbonyl]-2-phenylglycyl]-[P(S),2′R]-2′-deoxy-2′-fluoroo-3-(hydroxymethyl)-2′-methyl-P-phenyl-3′-O-(triethylsilyl)-5′-uridylyl-L-alanine 1-methylethyl ester

O3-(N-Acetylglycyl)-[P(S),2′R]-2′-deoxy-2′-fluoro-3-(hydroxymethyl)-2′-methyl-P-phenyl-3′-O-(triethylsilyl)-5′-uridylyl-L-alanine 1-methylethyl ester

O3-[(2R)-2-Phenyl-N-[(5-thiazolylmethoxy)carbonyl]glycyl]-[P(S),2′R]-2′-deoxy-2′-fluoro-3-(hydroxymethyl)-2′-methyl-P-phenyl-3′-O-(triethylsilyl)-5′-uridylyl-L-alanine 1-methylethyl ester

O3-[N-[(Cyclopentyloxy)carbonyl]-L-valyl]-[P(S),2′R]-2′-deoxy-2′-fluoroo-3-(hydroxymethyl)-2′-methyl-P-phenyl-3′-O-(triethylsilyl)-5′-uridylyl-L-alanine 1-methylethyl ester

O3-[N-(Phenoxycarbonyl)glycyl]-[P(S),2′R]-2′-deoxy-2′-fluoroo-3-(hydroxymethyl)-2′-methyl-P-phenyl-3′-O-(triethylsilyl)-5′-uridylyl-L-alanine 1-methylethyl ester

O3-[N-(Phenoxycarbonyl)-L-valyl]-[P(S),2′R]-2′-deoxy-2′-fluoroo-3-(hydroxymethyl)-2′-methyl-P-phenyl-3′-O-(triethylsilyl)-5′-uridylyl-L-alanine 1-methylethyl ester

O3-[(2S)-2-Cyclohexyl-N-(methoxycarbonyl)glycyl]-[P(S),2′R]-2′-deoxy-2′-fluoroo-3-(hydroxymethyl)-2′-methyl-P-phenyl-3′-O-(triethylsilyl)-5′-uridylyl-L-alanine 1-methylethyl ester

O3-[N-(Ethoxycarbonyl)-L-valyl]-[P(S),2′R]-2′-deoxy-2′-fluoroo-3-(hydroxymethyl)-2′-methyl-P-phenyl-3′-O-(triethylsilyl)-5′-uridylyl-L-alanine 1-methylethyl ester