3H-Indolium, 2-[5-[5-[[[3-[[3-[1-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-propen-1-yl]amino]-3-oxopropyl]amino]sulfonyl]-1-ethyl-1,3-dihydro-3,3-dimethyl-2H-indol-2-ylidene]-1,3-pentadien-1-yl]-1-..

3H-Indolium, 2-[5-[5-[[[2-[[3-[1-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-propen-1-yl]amino]-2-oxoethyl]amino]sulfonyl]-1-ethyl-1,3-dihydro-3,3-dimethyl-2H-indol-2-ylidene]-1,3-pentadien-1-yl]-1-e..

7-(2-Deoxy-β-D-erythro-pentofuranosyl)-5-[2-(1-pyrenyl)ethynyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

7-(2-Deoxy-β-D-erythro-pentofuranosyl)-5-[2-(9-phenanthrenyl)ethynyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

7-(2-Deoxy-β-D-erythro-pentofuranosyl)-5-[2-(6-methoxy-2-naphthalenyl)ethynyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

4(1H)-Pyrimidinone, 2-amino-1-[2-deoxy-3-O-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-β-D-erythro-pentofuranosyl]-5-methyl-

4(1H)-Pyrimidinone, 2-amino-1-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-3-O-[(1-methylethylidene)amino]-β-D-erythro-pentofuranosyl]-5-methyl-

(6R,8S,9R)-7,8,9,10-Tetrahydro-3-methyl-8-[[(1-methylethylidene)amino]oxy]-6,9-epoxy-2H,6H-pyrimido[2,1-b][1,3]oxazocin-2-one

Imidazo[1,2-a]-1,3,5-triazin-4(8H)-one, 2-amino-8-[3-O-amino-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-6-methyl-

Imidazo[1,2-a]-1,3,5-triazin-4(8H)-one, 2-amino-8-[3-O-amino-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-