Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylyl[(2S)-2-methyl-3-oxo-1,3-propanediyl]imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-

Uridine, 3′-de(phosphinicooxy)thymidylyl[(2S)-2-methyl-3-oxo-1,3-propanediyl]imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-

Uridine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3-[(phenylmethoxy)methyl]thymidylyl[(2S)-2-methyl-3-oxo-1,3-propanediyl]imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-

Thymidine, 3′-[(2S)-2-carboxypropyl]-3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3-[(phenylmethoxy)methyl]-

Thymidine, 3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-[3-oxo-3-[(4S)-2-oxo-4-(phenylmethyl)-3-oxazolidinyl]propyl]-3-[(phenylmethoxy)methyl]-

Thymidine, 3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-[(2S)-2-methyl-3-oxo-3-[(4S)-2-oxo-4-(phenylmethyl)-3-oxazolidinyl]propyl]-3-[(phenylmethoxy)methyl]-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylyl(3-oxo-1,3-propanediyl)imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylyl(3-oxo-1,3-propanediyl)imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-

Uridine, 3′-de(phosphinicooxy)thymidylyl(3-oxo-1,3-propanediyl)imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-

Uridine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3-[(phenylmethoxy)methyl]thymidylyl(3-oxo-1,3-propanediyl)imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-

Cytidine, 3′-dephosphinico-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidylyl(1-methyl-2-oxo-1,2-ethanediyl)imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-N-(1-methyl-2-pyrrolidinylidene)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, 3′-dephosphinico-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidylyl(1-methyl-2-oxo-1,2-ethanediyl)imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-N-(1-methyl-2-pyrrolidinylidene)-

5′-Amino-5′-deoxy-5-methyl-2′-O-methyl-N-(1-methyl-2-pyrrolidinylidene)cytidine

5′-Azido-5′-deoxy-5-methyl-2′-O-methyl-N-(1-methyl-2-pyrrolidinylidene)cytidine

5′-Azido-5′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5-methyl-2′-O-methyl-N-(1-methyl-2-pyrrolidinylidene)cytidine

Cytidine, 5′-azido-5′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-5-methyl-2′-O-methyl-

1-[5-Azido-5-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-2-O-methyl-β-D-ribofuranosyl]-5-methyl-4-(1H-1,2,4-triazol-1-yl)-2(1H)-pyrimidinone

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-de(phosphinicooxy)thymidylyl[(2R)-2-methyl-3-oxo-1,3-propanediyl]imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-

Uridine, 3′-de(phosphinicooxy)thymidylyl[(2R)-2-methyl-3-oxo-1,3-propanediyl]imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-

Uridine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3-[(phenylmethoxy)methyl]thymidylyl[(2R)-2-methyl-3-oxo-1,3-propanediyl]imino-(3′→5′)-5′-deoxy-5-methyl-2′-O-methyl-