Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[5-(dimethylamino)-1-[4-(dimethylamino)butyl]pentyl [P(R)]-N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-, 3′-[2-[2-(dimethylamino)ethoxy]-1-[[2-(dimethylamino)ethoxy]methyl]ethyl [P(S)]-N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-, 3′-[2-[2-(dimethylamino)ethoxy]-1-[[2-(dimethylamino)ethoxy]methyl]ethyl [P(R)]-N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-, 3′-[2-[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]-1-[[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]methyl]ethyl [P(S)]-N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-, 3′-[2-[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]-1-[[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]methyl]ethyl [P(R)]-N,N-bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]-1-[[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]methyl]ethyl [P(S)]-phosphonate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]-1-[[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]methyl]ethyl [P(R)]-phosphonate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]-1-[[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]methyl]ethyl [P(S)]-N,N-bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]-1-[[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]methyl]ethyl [P(R)]-N,N-bis(1-methylethyl)phosphoramidite]

L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-methylethyl ester, 5′-ester with 1-β-D-erythro-pentofuranosyl-1H-1,2,4-triazole-3-carboxamide

5-[[[2-[[3-[2-[2-[2-[[3-[4-Amino-1-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-5-pyrimidinyl]-2-propyn-1-yl]amino]-2-oxoethoxy]ethoxy]-2-azidoethoxy]benzoyl]amino]ethyl]amino]carbonyl]-1,3-benzenedicarboxylic acid

5-[[[2-[[3-[2-[2-[2-[[3-[2-Amino-7-(2-deoxy-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]benzoyl]amino]ethyl]amino]carbonyl]-1,3-benzenedicarboxylic acid

5-[[[2-[[3-[2-[2-[2-[[3-[2-Amino-7-[2-deoxy-3-O-(2,2-dimethyl-1-oxopropyl)-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]benzoyl]amino]ethyl]amino]carbonyl]-1,3-benzenedicarboxylic acid

2-Amino-5-(3-amino-1-propyn-1-yl)-7-[2-deoxy-3-O-(2,2-dimethyl-1-oxopropyl)-β-D-erythro-pentofuranosyl]-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

1,1-Dimethylethyl N-[3-[2-amino-7-[2-deoxy-3-O-(2,2-dimethyl-1-oxopropyl)-β-D-erythro-pentofuranosyl]-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]carbamate

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

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

N,N′-[[5-[[[2-[[3-[2-[2-[2-[[3-[4-(Acetylamino)-7-[2-deoxy-3-O-(2,2-dimethyl-1-oxopropyl)-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]amino]-2-oxoethoxy]ethoxy]-2-azidoethoxy]benzoyl]amino]ethyl]amino]carbon..

1,1′,5,5′-Tetramethyl N,N′-[[5-[[[2-[[3-[2-[2-[2-[[3-[4-amino-7-[2-deoxy-3-O-(2,2-dimethyl-1-oxopropyl)-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]amino]-2-oxoethoxy]ethoxy]-2-azidoethoxy]benzoyl]amino]ethyl]amino]carbonyl]-1,3-phenylene]dicarbonyl]bis[L-glutamate]

5-(3-Amino-1-propyn-1-yl)-7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-(2,2-dimethyl-1-oxopropyl)-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine