Uridine, 2′,5′-O-phosphinicouridylyl-(3′→5′)-uridylyl-(3′→5′)-

(2R,3R,3aS,9aR)-7-Ethyl-2,3,3a,9a-tetrahydro-3-hydroxy-6-imino-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidine-2-methanol

Adenosine, 2-[(1-ethyl-3-piperidinyl)thio]-

Adenosine 5′-(tetrahydrogen triphosphate), N-[2-[2-[2-[(iodoacetyl)amino]ethoxy]ethoxy]ethyl]-

(2R,3R,3aS,9aR)-2,3,3a,9a-Tetrahydro-2-(hydroxymethyl)-6-imino-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-3-yl nonanoate

5′-Guanylic acid, 5-[(aminoiminomethyl)seleno]-

Guanosine, N-(2-methyl-1-oxopropyl)-3′-O-[(2-nitrophenyl)methyl]-

Cytidine, N-benzoyl-3′-O-[(2-nitrophenyl)methyl]-

Adenosine, cyclic 3′,5′-phosphonate 2′-(4-methylbenzenesulfonate)

Uridine, uridylyl-(3′→5′)-uridylyl-(3′→5′)-, cyclic 2′,3′-(hydrogen phosphate)

3′-Uridylic acid, uridylyl-(3′→5′)-uridylyl-(3′→5′)-, 3′,3′-dimethyl ester

5′-Uridylic acid, monoanhydride with (1Z)-2,6-anhydro-1-deoxy-1-phosphono-D-manno-hept-1-enitol

5′-Uridylic acid, monoanhydride with [(3-methylphenyl)methyl]phosphonic acid

Uridine 5′-(trihydrogen diphosphate), P′-[3,4-di-O-acetyl-2-(acetylamino)-2,6-dideoxy-β-L-galactopyranosyl] ester

Thymidine, 3′-azido-3′-deoxy-, 5′-(P-methyl-N-perchlorylphosphonamidate)

5′-Cytidylic acid, 1-ester with (1R)-5-(acetylamino)-2,6-anhydro-3,5-dideoxy-1-C-phosphono-D-glycero-D-galacto-non-2-enitol

3′-Adenylic acid, 2-chloro-2′-deoxy-, 5′-(dihydrogen phosphate)

Carbamic acid, [1-[[[2-[(1-β-D-arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)amino]-1,1-dimethyl-2-oxoethyl]amino]methyl]-2-[4-(phenylmethoxy)phenyl]ethyl]-, 1,1-dimethylethyl ester, (S)-

5′-Guanylic acid, 2′,3′-O-(phenylmethylene)-

5′-Cytidylic acid, 2′-deoxy-2′-methylene-, mono[(2R)-2,3-bis[[(9Z,12Z)-1-oxo-9,12-octadecadienyl]oxy]propyl] ester