2′-Deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-[[(2,2-dimethylpropyl)thio]methyl]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]uridine

2′-Deoxy-3′-O-[(methylthio)methyl]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]uridine

9-[2-[[[4-[[2-[[3-[2-Azido-2-[2-[2-[[3-[1-[2-deoxy-3-O-[[(1,1-dimethylethyl)dithio]methyl]-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-propyn-1-yl]amino]-2-oxoethoxy]ethoxy]ethoxy]benzoyl]amino]ethyl]amino]-4..

2′-Deoxy-3′-O-[[(1,1-dimethylethyl)dithio]methyl]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]uridine 5′-(tetrahydrogen triphosphate)

2′-Deoxy-3′-O-[[(1,1-dimethylethyl)dithio]methyl]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]uridine

2′-Deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-O-[[(1,1-dimethylethyl)dithio]methyl]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]uridine

3H-Indolium, 3-[6-[[2-[[3-[2-[2-[2-[[3-[2-amino-7-[2-deoxy-3-O-[[(1,1-dimethylethyl)dithio]methyl]-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]amino]-2-oxoethoxy]ethoxy]-2-azidoethoxy]benzo..

N-[3-[7-[2-Deoxy-3-O-[[(1,1-dimethylethyl)dithio]methyl]-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-2-[(Z)-[(dimethylamino)methylene]amino]-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]-2,2,2-trifluoroacetamide

N-[3-[7-[2-Deoxy-3-O-[[(1,1-dimethylethyl)dithio]methyl]-β-D-erythro-pentofuranosyl]-2-[(Z)-[(dimethylamino)methylene]amino]-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]-2,2,2-trifluoroacetamide

N-[3-[7-[2-Deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-3-O-[[(1,1-dimethylethyl)dithio]methyl]-β-D-erythro-pentofuranosyl]-2-[(Z)-[(dimethylamino)methylene]amino]-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]-2,2,2-trifluoroacetamide

N-[3-[7-[2-Deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-3-O-[(methylthio)methyl]-β-D-erythro-pentofuranosyl]-2-[(Z)-[(dimethylamino)methylene]amino]-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]-2,2,2-trifluoroacetamide

(1Z)-N′-[7-[2-Deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-3-O-[(methylthio)methyl]-β-D-erythro-pentofuranosyl]-4,7-dihydro-5-iodo-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-2-yl]-N,N-dimethylmethanimidamide

(1Z)-N′-[7-[2-Deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-erythro-pentofuranosyl]-4,7-dihydro-5-iodo-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-2-yl]-N,N-dimethylmethanimidamide

2-Amino-7-[2-deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-erythro-pentofuranosyl]-3,7-dihydro-5-iodo-4H-pyrrolo[2,3-d]pyrimidin-4-one

Xanthylium, 9-[2-[[[4-[[2-[[3-[2-[2-[2-[[3-[4-amino-1-[2-deoxy-3-O-[[(1,1-dimethylethyl)dithio]methyl]-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-5-pyridinyl]-2-propyn-1-yl]amino]-2-oxoethoxy]ethoxy]-2-azidoethoxy]benzoyl]amino]ethyl]a..

N-Benzoyl-2′-deoxy-3′-O-[[(1,1-dimethylethyl)dithio]methyl]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]cytidine 5′-(tetrahydrogen triphosphate)

N-Benzoyl-2′-deoxy-3′-O-[[(1,1-dimethylethyl)dithio]methyl]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]cytidine

N-Benzoyl-2′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-O-[[(1,1-dimethylethyl)dithio]methyl]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]cytidine

N-[3-[7-[2-Deoxy-3-O-[[(1,1-dimethylethyl)dithio]methyl]-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-4-[(E)-[(dimethylamino)methylene]amino]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]-2,2,2-trifluoroacetamide