5-(1-Hexyn-1-yl)-7-β-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine

5-Iodo-4-methoxy-7-β-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidine

9-[2-Azido-2-deoxy-5-O-(triphenylmethyl)-β-D-arabinofuranosyl]-N-(triphenylmethyl)-9H-purin-6-amine

9-[3-Azido-3-deoxy-5-O-(triphenylmethyl)-β-D-xylofuranosyl]-N-(triphenylmethyl)-9H-purin-6-amine

9-[2-Deoxy-2-fluoro-5-O-(triphenylmethyl)-β-D-arabinofuranosyl]-N-(triphenylmethyl)-9H-purin-6-amine

9-[3-Deoxy-3-fluoro-5-O-(triphenylmethyl)-β-D-xylofuranosyl]-N-(triphenylmethyl)-9H-purin-6-amine

Adenosine, N-(triphenylmethyl)-5′-O-(triphenylmethyl)-, cyclic 2′,3′-sulfate

Guanosine, 5′-O-phosphonouridylyl-(3′→5′)-uridylyl-(3′→5′)-

Adenosine, N-formyl-2′,3′-O-(1-methylethylidene)-, 5′-(4-methylbenzenesulfonate)

Thymidine 5′-(pentahydrogen tetraphosphate), P′′′→5′-ester with thymidine

Adenylyl-(3′→5′)-uridylyl-(3′→5′)-adenylyl-(3′→5′)-adenylyl-(3′→5′)-adenylyl-(3′→5′)-adenosine

2(1H)-Pyrimidinone, 1-(2-deoxy-β-D-erythro-pentofuranosyl)-5-methyl-4-(nitrosoamino)-, ion(1-)

Uridine, 2′,3′-O-(1-methylethylidene)-, 5′-[11-(4-ethynylphenoxy)undecanoate]

Uridine, 2′,3′-O-(1-methylethylidene)-, 5′-[6-(4-ethynylphenoxy)hexanoate]

Glycine, N-[[(9-β-D-ribofuranosyl-9H-purin-6-yl)amino]carbonyl]-, 5′-(dihydrogen phosphate)

N-[[[9-(5-O-Phosphono-β-D-ribofuranosyl)-9H-purin-6-yl]amino]carbonyl]-L-threonine

7,10-Methano-10H-[1,5,3]dioxazepino[3,2-e]purine-8-methanol, 4-amino-7,8-dihydro-12-hydroxy-, α-(dihydrogen phosphate), [7R-(7α,8β,10α,12R*)]-

Imidazo[2,1-i]purin-6-ium, 3,9-dihydro-3-[5-O-[hydroxy(phosphonooxy)phosphinyl]-2-O-phosphono-β-D-ribofuranosyl]-, P′→5′-ester with 1,4-dihydro-1-β-D-ribofuranosyl-3-pyridinecarboxamide

Imidazo[2,1-i]purin-6-ium, 3,9-dihydro-3-[5-O-[hydroxy(phosphonooxy)phosphinyl]-β-D-ribofuranosyl]-, P′→5′-ester with 1,4-dihydro-1-β-D-ribofuranosyl-3-pyridinecarboxamide

Imidazo[2,1-i]purin-6-ium, 3,9-dihydro-3-[5-O-[hydroxy(phosphonooxy)phosphinyl]-β-D-ribofuranosyl]-, P′→5′-ester with 3-(aminocarbonyl)-1-β-D-ribofuranosylpyridinium