Thymidine, P-(2,2,2-trichloroethyl)thymidylyl-(3′→5′)-P-(2,2,2-trichloroethyl)thymidylyl-(3′→5′)-P-(2,2,2-trichloroethyl)thymidylyl-(3′→5′)-3′-O-[(4-methoxyphenyl)diphenylmethyl]-

Thymidine, P-(2,2,2-trichloroethyl)thymidylyl-(3′→5′)-3′-O-[(4-methoxyphenyl)diphenylmethyl]-

Thymidine, 5′-O-(phenoxyacetyl)-P-(2,2,2-trichloroethyl)thymidylyl-(3′→5′)-

Thymidine, 5′-O-(phenoxyacetyl)-P-(2,2,2-trichloroethyl)thymidylyl-(3′→5′)-3′-O-[(4-methoxyphenyl)diphenylmethyl]-

Adenosine, N-benzoyl-7,8-dihydro-8-thioxo-, cyclic 3′,5′-(hydrogen phosphate)

Adenosine, N-benzoyl-7,8-dihydro-8-thioxo-, cyclic 3′,5′-(hydrogen phosphate) 2′-benzoate

Adenosine, N-acetyl-7,8-dihydro-8-thioxo-, cyclic 3′,5′-(hydrogen phosphate) 2′-acetate

Adenosine, 7,8-dihydro-8-thioxo-, cyclic 3′,5′-(hydrogen phosphate) 2′-acetate

Adenosine, N-acetyl-7,8-dihydro-8-thioxo-, cyclic 3′,5′-(hydrogen phosphate)

Adenosine, N-acetyl-, cyclic 3′,5′-(hydrogen phosphate)

2-Phenyl-6-(5-O-phosphono-β-D-ribofuranosyl)imidazo[1,2-c]pyrimidin-5(6H)-one

Adenosine, N-[3-[(3-aminopropyl)amino]propyl]-

Adenosine, 7,8-dihydro-8-thioxo-, cyclic 3′,5′-(hydrogen phosphate) 2′-benzoate

9H-Purin-6-amine, 9-(5,6-dideoxy-6-phosphono-β-D-ribo-hexofuranosyl)-, intramol

Butanamide, N-[9-[5,6-dideoxy-2-O-(1-oxobutyl)-6-phosphono-β-D-ribo-hexofuranosyl]-9H-purin-6-yl]-, intramol

1-Naphthalenesulfonic acid, 8-[[-2-[[[(9-β-D-ribofuranosyl-9H-purin-6-yl)thio]acetyl]amino]ethyl]amino]-

1-Naphthalenesulfonic acid, 8-[[2-[[[(2-amino-9-β-D-ribofuranosyl-9H-purin-6-yl)thio]acetyl]amino]ethyl]amino]-

1-Naphthalenesulfonic acid, 8-[[2-[[[[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]thio]acetyl]amino]ethyl]amino]-

1-Naphthalenesulfonic acid, 8-[[2-[[[[1,2-dihydro-1-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-2-oxo-4-pyrimidinyl]thio]acetyl]amino]ethyl]amino]-

1-Naphthalenesulfonic acid, 8-[[2-[[[(1,2-dihydro-2-oxo-1-β-D-ribofuranosyl-4-pyrimidinyl)thio]acetyl]amino]ethyl]amino]-