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)-

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

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

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

2,4(1H,3H)-Pyrimidinedione, 5-methyl-1-[2,5,6-trideoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-6-[(2-propenyloxy)phosphinyl]-β-D-erythro-hexofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 5-methyl-1-[2,5,6-trideoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-6-(methoxyphosphinyl)-β-D-erythro-hexofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 5-methyl-1-[2,5,6-trideoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-6-(hydroxyphosphinyl)-β-D-erythro-hexofuranosyl]-

2,4(1H,3H)-Pyrimidinedione, 5-methyl-1-[2,5,6-trideoxy-3-O-[(1,1-dimethylethyl)diphenylsilyl]-6-(ethoxyphosphinyl)-β-D-erythro-hexofuranosyl]-