5′-Deoxy-2′,3′-O-(1-methylethylidene)-5′-oxoinosine

Hypoxanthine, 9-(5,6-dideoxy-2,3-O-isopropylidene-6-phosphono-β-D-ribo-hex-5-enofuranosyl)-, diphenyl ester

N-[9-(2,3-Di-O-benzoyl-β-D-xylofuranosyl)-9H-purin-6-yl]benzamide

N-[9-[2,3-Di-O-benzoyl-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-xylofuranosyl]-9H-purin-6-yl]benzamide

9-[5-O-[(4-Methoxyphenyl)diphenylmethyl]-β-D-xylofuranosyl]-9H-purin-6-amine

Guanine, 7-β-D-ribofuranosyl-, 5′-(dihydrogen phosphate)

Acetamide, N-(1,2-dihydro-2-oxo-1-β-D-ribofuranosyl-4-pyrimidinyl)-N-(trimethylsilyl)-, diacetate (ester) bis(trimethylsilyl) phosphate (ester)

Uridine, 3-benzoyl-, 2′,3′,5′-triacetate

Acetamide, N-(1,6-dihydro-6-oxo-7-D-ribofuranosylpurin-2-yl)-, triacetate (ester)

N-[9-(2,3,5-Tri-O-acetyl-α-D-ribofuranosyl)-9H-purin-6-yl]benzamide

Purin-8(9H)-one, 6-amino-9-β-D-ribofuranosyl-, 3′-(2,4,6-triisopropylbenzenesulfonate)

Purin-8(9H)-one, 6-amino-9-β-D-ribofuranosyl-, 2′-(2,4,6-triisopropylbenzenesulfonate)

9H-Purin-8-ol, 6-amino-9-(2-deoxy-β-D-threo-pentofuranosyl)-

3-β-D-Ribofuranosyl-5-(β-D-ribofuranosyloxy)-4(3H)-pyrimidinone

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite] 2′-[[6-[(trifluoroacetyl)amino]hexyl]carbamate]

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 2′-[[6-[(trifluoroacetyl)amino]hexyl]carbamate]

Cytidine, N-benzoyl-, 2′-[[6-[(trifluoroacetyl)amino]hexyl]carbamate]

Cytidine, N-benzoyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 2′-[[6-[(trifluoroacetyl)amino]hexyl]carbamate]

Cytidine, N-benzoyl-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 2′-(1H-imidazole-1-carboxylate)

Acetamide, N-[1-[(6S)-6-C-(diethoxyphosphinyl)-6-O-[(2R)-methoxyphenylacetyl]-2,3-O-(1-methylethylidene)-β-D-allofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]-