Guanosine, 8-[[(2,4-dichlorophenyl)methylene]hydrazino]-

Guanosine, 8-[[[2-(2-propenyloxy)phenyl]methylene]hydrazino]-

Guanosine, 8-[[(3-hydroxyphenyl)methylene]hydrazino]-

Inosine, 5′-[hydrogen (2-amino-1H-benzimidazol-1-yl)phosphonate]

Inosine, 5′-[hydrogen (2,4-dimethyl-1H-imidazol-1-yl)phosphonate]

Cytidine, 5′-[hydrogen (2-amino-1H-benzimidazol-1-yl)phosphonate]

Cytidine, 5′-[hydrogen (2,4-dimethyl-1H-imidazol-1-yl)phosphonate]

Guanosine, 5′-[hydrogen P-(2-amino-1H-benzimidazol-1-yl)phosphonate]

Adenosine, 5′-[hydrogen (2-amino-1H-benzimidazol-1-yl)phosphonate]

Adenosine, 5′-[hydrogen (2,4-dimethyl-1H-imidazol-1-yl)phosphonate]

Adenosine, adenylyl-(3′→5′)-adenylyl-(3′→5′)-, cyclic 2′,3′-(hydrogen phosphate)

Adenosine, adenylyl-(3′→5′)-, cyclic 2′,3′-(hydrogen phosphate)

5′-Adenylic acid, cyclic 2′,3′-(hydrogen phosphate)

Carbamic acid, [2-[2-(2-aminoethoxy)ethoxy]ethyl]-, 4-[[[[(1-β-D-arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)amino]carbonyl]oxy]methyl]phenyl ester

5,8-Dioxa-2,11-diazadodecanedioic acid, 4-[[[[(1-β-D-arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)amino]carbonyl]oxy]methyl]phenyl 1,1-dimethylethyl ester

L-Alanine, 4-[[[[(1-β-D-arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)amino]carbonyl]oxy]methyl]-2,6-dimethylphenyl ester

N-[(1,1-Dimethylethoxy)carbonyl]-L-alanine 4-[[[[(1-β-D-arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)amino]carbonyl]oxy]methyl]-2,6-dimethylphenyl ester

L-Alanine, 2-[3-[(1-β-D-arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)amino]-1,1-dimethyl-3-oxopropyl]-3,6-dimethylphenyl ester

N-[(1,1-Dimethylethoxy)carbonyl]-L-alanine 2-[3-[(1-β-D-arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)amino]-1,1-dimethyl-3-oxopropyl]-3,6-dimethylphenyl ester

β-Alanine, 2-[3-[(1-β-D-arabinofuranosyl-1,2-dihydro-2-oxo-4-pyrimidinyl)amino]-1,1-dimethyl-3-oxopropyl]-3,5-dimethylphenyl ester