Thymidine, 3′-[(2R)-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-[(4R)-2-oxo-4-(phenylmethyl)-3-oxazolidinyl]propyl]-3-[(phenylmethoxy)methyl]-

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

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

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

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-(1-carboxyethyl)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[2-(1,1-dimethylethoxy)-1-methyl-2-oxoethyl]-

Thymidine, 3′-O-[2-(1,1-dimethylethoxy)-1-methyl-2-oxoethyl]-

Thymidine, 3′-O-[(1R)-2-(1,1-dimethylethoxy)-1-methyl-2-oxoethyl]-3-[(phenylmethoxy)methyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[2-(1,1-dimethylethoxy)-1-methyl-2-oxoethyl]-3-[(phenylmethoxy)methyl]-

Thymidine, 3′-O-[(1S)-2-(1,1-dimethylethoxy)-1-methyl-2-oxoethyl]-3-[(phenylmethoxy)methyl]-

1-[3,5-Anhydro-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-2-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-β-D-lyxofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[3,5-Anhydro-4-C-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-β-D-lyxofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[3,5-Anhydro-4-C-(hydroxymethyl)-β-D-lyxofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[3,5-Anhydro-4-C-[(benzoyloxy)methyl]-β-D-lyxofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[5-O-(methylsulfonyl)-4-C-[[(methylsulfonyl)oxy]methyl]-α-L-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-, 3′-(4-methoxybenzoate)

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-, 3′-(4-methoxybenzoate)

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-, 3′-(4-methoxybenzoate)

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-, 3′-(4-methoxybenzoate)