Thymidine, 3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-α-(1-ethoxyethoxy)-

3′,5′-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]-α-hydroxythymidine

Cytidine, 5-[(acetyloxy)methyl]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, 5-[(acetyloxy)methyl]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-

Cytidine, 5-[(acetyloxy)methyl]-N-benzoyl-2′-deoxy-

Cytidine, 5-[(acetyloxy)methyl]-N-benzoyl-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-

5-[(Acetyloxy)methyl]-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]cytidine

5-[(Acetyloxy)methyl]-1-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-4-(1H-1,2,4-triazol-1-yl)-2(1H)-pyrimidinone

α-(Acetyloxy)-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]thymidine

4-[[6-Amino-9-(N-ethyl-β-D-ribofuranuronamidosyl)-9H-purin-2-yl]amino]benzenepropanoic acid

Cytidine 5′-(trihydrogen diphosphate), P′-[2-(methylamino)ethyl] ester

Carbamic acid, [6-oxo-6-[[9-[3,5-O-phosphinico-β-D-ribofuranosyl]-9H-purin-6-yl]amino]hexyl]-, phenylmethyl ester

Guanosine, 2′-deoxy-, 3′,5′-bis(4-chlorobenzoate)

Guanosine, 2′-deoxy-6-O-(phenylmethyl)-, 3′,5′-bis(4-chlorobenzoate)

Guanosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-O-2-propenyl-N-(1,2,3,4-tetrahydro-2,3,4-trihydroxybenzo[c]phenanthren-1-yl)-

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-O-2-propen-1-yl-N-[7,8,9-tris(acetyloxy)-7,8,9,10-tetrahydrobenzo[a]pyren-10-yl]guanosine

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[7,8,9-tris(acetyloxy)-7,8,9,10-tetrahydrobenzo[a]pyren-10-yl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-

Guanosine, 2′-deoxy-6-O-2-propenyl-N-[7,8,9-tris(acetyloxy)-7,8,9,10-tetrahydrobenzo[a]pyren-10-yl]-