Thymidine, (R)-3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P,3′-dimethylthymidylyl(methylimino)-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, (S)-3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P,3′-dimethyl-3-[(phenylmethoxy)methyl]thymidylyl(methylimino)-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-3-[(phenylmethoxy)methyl]-

Thymidine, (R)-3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P,3′-dimethyl-3-[(phenylmethoxy)methyl]thymidylyl(methylimino)-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-3-[(phenylmethoxy)methyl]-

Thymidine, (S)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-P-ethyl-3′-methylthymidylylimino-(3′→5′)-5′-deoxy-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-P-ethyl-3′-methylthymidylylimino-(3′→5′)-5′-deoxy-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-P,3′-dimethylthymidylylimino-(3′→5′)-5′-deoxy-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, (S)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-P-ethyl-3′-methylthymidylylimino-(3′→5′)-5′-deoxy-

Thymidine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-P-ethyl-3′-methylthymidylylimino-(3′→5′)-5′-deoxy-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-P,3′-dimethylthymidylylimino-(3′→5′)-5′-deoxy-

Thymidine, (S)-3′-deoxy-P-ethyl-3′-methylthymidylylimino-(3′→5′)-5′-deoxy-

Thymidine, [P(R)]-3′-deoxy-P-ethyl-3′-methylthymidylylimino-(3′→5′)-5′-deoxy-

Thymidine, 3′-deoxy-P,3′-dimethylthymidylylimino-(3′→5′)-5′-deoxy-

Thymidine, 3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P,3′-dimethyl-3-[(phenylmethoxy)methyl]thymidylylimino-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-3-[(phenylmethoxy)methyl]-

Thymidine, P-(2-cyanoethyl)-3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-methylthymidylylimino-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, (S)-3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P-ethyl-3′-methylthymidylylimino-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, [P(R)]-3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P-ethyl-3′-methylthymidylylimino-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, 3′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-P,3′-dimethylthymidylylimino-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Cytidine, 5′-amino-N-benzoyl-2′,5′-dideoxy-5-methyl-

Cytidine, 5′-azido-N-benzoyl-2′,5′-dideoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-

2(1H)-Pyrimidinone, 1-[5-azido-2,5-dideoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-erythro-pentofuranosyl]-5-methyl-4-(1H-1,2,4-triazol-1-yl)-