5-Methyl-1-(2,5,6-trideoxy-2-fluoro-6-phosphono-β-D-arabino-hexofuranosyl)-2,4(1H,3H)-pyrimidinedione

Thymidine, α-hydroxy-, 5′-(hydrogen phosphonate)

Uridine, 5-fluoro-, 2′,3′-bis(12-aminododecanoate) 5′-pentanoate

Glycine, 3′-ester with bis[4-(phenylmethyl)phenyl] 2′-deoxy-5-fluoro-5′-uridylate

Guanosine 5′-(tetrahydrogen triphosphate), N-(4-phenylbutyl)-

5′-Adenylic acid, mono[2-[12-(2-chloroethyl)-3,12-diaza-6,9-diazoniadispiro[5.2.5.2]hexadec-3-yl]ethyl] ester

2,3,4,7-Tetrahydro-2-hydroxy-7-β-D-ribofuranosyl-6H-pyrimido[1,6-a]pyrimidin-6-one

Cytidine, 5-pentyl-, cyclic 3′,5′-(hydrogen phosphate)

2-(2,3-Di-O-benzoyl-5-deoxy-α-L-arabinofuranosyl)-9-hydroxy-5,11-dimethyl-6H-pyrido[4,3-b]carbazolium

Guanosine 5′-(trihydrogen diphosphate), P′→P-anhydride with 5-(phosphonoamino)-1-naphthalenesulfonic acid

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methyl-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-P,2′-dideoxy-P-methyl-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-, 3′-acetate

Adenosine, P,2′-dideoxy-P-methyl-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-acetate

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-(2-cyanoethyl methylphosphonate)

Furo[2′′,3′′:4′,5′]selenazolo[2′,3′:2,3]imidazo[4,5-c]pyridazine-8-methanol, 4-amino-6a,7,8,9a-tetrahydro-7-hydroxy-, [6aS-(6aα,7α,8β,9aα)]-

1-[1,2-Dihydro-2-oxo-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-4-pyrimidinyl]pyridinium

Cytidine, 2′-deoxy-5-[(phenylmethyl)thio]-

1-(2-Deoxy-3-O-phosphono-α-D-erythro-pentofuranosyl)-6,7-diphenyl-2,4(1H,3H)-pteridinedione

2,3-Dihydro-5-(hydroxymethyl)-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-2-oxo-1H-imidazole-4-carboxylic acid

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-[O-(4-chlorophenyl) hydrogen phosphorothioate]

Cytidine, 5′-O-[tris(4-methoxyphenyl)methyl]uridylyl-(3′→5′)-