7-[2-Deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-[(methyldithio)methyl]-β-D-erythro-pentofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl N,N-diphenylcarbamate

7-[2-Deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-[[[(2,4,6-trimethoxyphenyl)methyl]thio]methyl]-β-D-erythro-pentofuranosyl]-2-[(1-oxopropyl)amino]-5-[3-[[(trifluoromethoxy)methyl]amino]-1-propyn-1-yl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl N,N-diphenylcarbamate

7-[2-Deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-[[[(2,4,6-trimethoxyphenyl)methyl]thio]methyl]-β-D-erythro-pentofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl N,N-diphenylcarbamate

7-[3-O-(Chloromethyl)-2-deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl N,N-diphenylcarbamate

7-[2-Deoxy-5-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-[(methylthio)methyl]-β-D-erythro-pentofuranosyl]-2-[(2-methyl-1-oxopropyl)amino]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]-7H-pyrrolo[2,3-d]pyrimidin-4-yl N,N-diphenylcarbamate

C-(22-Amino-9,9-dimethyl-13-oxo-5,12,17,20-tetraoxa-7,8-dithia-14-azadocoa-1-yl) N-[3-[4-amino-1-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-3-O-[(methyldithio)methyl]-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-5-pyrimidinyl]-2-propyn-1-yl]carbamate

1-[17-[4-Amino-1-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-3-O-[(methyldithio)methyl]-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-5-pyrimidinyl]-3,3-dimethyl-13-oxo-7,12-dioxa-4,5-dithia-14-azaheptadec-16-yn-1-yl] 12-(9H-fluoren-9-ylmethyl) 5,8-dioxa-2,11-diazadodecane..

5-(3-Amino-1-propyn-1-yl)-2′-deoxy-3′-O-[(methyldithio)methyl]cytidine 5′-(tetrahydrogen triphosphate)

C-(22-Amino-9,9-dimethyl-13-oxo-5,12,17,20-tetraoxa-7,8-dithia-14-azadocos-1-yl) N-[3-[4-amino-7-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-3-O-[(methyldithio)methyl]-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]carbamate

N-[3-[4-Amino-7-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-3-O-[[[(2,4,6-trimethoxyphenyl)methyl]thio]methyl]-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]-2,2,2-trifluoroacetamide

3′-O-[(Methyldithio)methyl]thymidine

5′-O-[(1,1-Dimethylethyl)dimethylsilyl]-3′-O-[(methyldithio)methyl]thymidine

3′-O-[[[(2,4,6-Trimethoxyphenyl)methyl]thio]methyl]thymidine

5′-O-[(1,1-Dimethylethyl)dimethylsilyl]-3′-O-[[[(2,4,6-trimethoxyphenyl)methyl]thio]methyl]thymidine

Guanosine, 2′-deoxy-3′-O-[(methyldithio)methyl]-N-(2-methyl-1-oxopropyl)-, 6-(N,N-diphenylcarbamate)

Guanosine, 2′-deoxy-N-(2-methyl-1-oxopropyl)-3′-O-[[[(4-methylphenyl)sulfonyl]thio]methyl]-, 6-(N,N-diphenylcarbamate)

Guanosine, 2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-3′-O-[[[(4-methylphenyl)sulfonyl]thio]methyl]-, 6-(N,N-diphenylcarbamate)

Guanosine, 3′-O-(chloromethyl)-2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-, 6-(N,N-diphenylcarbamate)

N-Benzoyl-2′-deoxy-3′-O-[(methyldithio)methyl]cytidine

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