2′-O-[[2-[[[(1,1-Dimethylethoxy)carbonyl]amino]methyl]-2-ethyl-1-oxobutoxy]methyl]uridine

2′-O-[[2-[[(1,1-Dimethylethoxy)carbonyl]amino]-2-methyl-1-oxopropoxy]methyl]uridine

2′-O-[7-[[(1,1-Dimethylethoxy)carbonyl]amino]-4,4-diethyl-11,11-dimethyl-3,9-dioxo-2,10-dioxa-6,8-diazadodec-7-en-1-yl]uridine

2′-O-[[2-[[[(1,1-Dimethylethoxy)carbonyl]amino]methyl]-2-ethyl-1-oxobutoxy]methyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]uridine

2′-O-[[2-[[(1,1-Dimethylethoxy)carbonyl]amino]-2-methyl-1-oxopropoxy]methyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]uridine

2′-O-[7-[[(1,1-Dimethylethoxy)carbonyl]amino]-4,4-diethyl-11,11-dimethyl-3,9-dioxo-2,10-dioxa-6,8-diazadodec-7-en-1-yl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]uridine

5-Pyrimidinecarboxylic acid, 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-, ethyl ester, (R)-

5-Pyrimidinecarboxylic acid, 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-, ethyl ester, (S)-

5-Pyrimidinecarboxylic acid, 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-, ethyl ester

Ethyl 1-(2-deoxy-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinecarboxylate

Guanosine 5′-(trihydrogen diphosphate), P′-[6-[(trifluoroacetyl)amino]hexyl] ester

Guanosine 5′-(trihydrogen diphosphate), P′-(6-aminohexyl) ester

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5-[4-[(1,1-dimethylethyl)dithio]butyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5-[3-[(1,1-dimethylethyl)dithio]propyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5-[2-[(1,1-dimethylethyl)dithio]ethyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5-[[(1,1-dimethylethyl)dithio]methyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5-[4-[(1,1-dimethylethyl)dithio]butyl]-, 2′,3′,5′-tribenzoate

Uridine, 5-[3-[(1,1-dimethylethyl)dithio]propyl]-, 2′,3′,5′-tribenzoate

Uridine, 5-[2-[(1,1-dimethylethyl)dithio]ethyl]-, 2′,3′,5′-tribenzoate

Uridine, 5-[[(1,1-dimethylethyl)dithio]methyl]-, 2′,3′,5′-tribenzoate