B-[4-[[[2-Amino-6,9-dihydro-6-oxo-9-(3,5-O-phosphinico-β-D-ribofuranosyl)-1H-purin-8-yl]thio]methyl]phenyl]boronic acid

B-[4-[[2-Amino-6,9-dihydro-6-oxo-9-(3,5-O-phosphinico-β-D-ribofuranosyl)-1H-purin-8-yl]thio]butyl]boronic acid

B-[2-[[[2-Amino-6,9-dihydro-6-oxo-9-(3,5-O-phosphinico-β-D-ribofuranosyl)-1H-purin-8-yl]thio]methyl]phenyl]boronic acid

Guanosine, 8-(2-benzothiazolylthio)-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-[[2-(acetylamino)ethyl]thio]-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-[(5-amino-5-oxopentyl)thio]-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-[(3-amino-3-oxopropyl)thio]-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-[(4-amino-4-oxobutyl)thio]-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-[(3,4,4-trifluoro-3-buten-1-yl)thio]-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-(2-thienylthio)-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-[(5-phenyl-1H-imidazol-2-yl)thio]-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-[(2-phenylethyl)thio]-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-[(1-phenyl-1H-tetrazol-5-yl)thio]-, cyclic 3′,5′-(hydrogen phosphate)

1-Methyl 2-[[2-amino-6,9-dihydro-6-oxo-9-(3,5-O-phosphinico-β-D-ribofuranosyl)-1H-purin-8-yl]thio]acetate

Guanosine, 8-[(4-methyl-2-oxo-2H-1-benzopyran-7-yl)thio]-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-[(1-methyl-1H-tetrazol-5-yl)thio]-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-[(2-methyl-3-furanyl)thio]-, cyclic 3',5'-(hydrogen phosphate)

Guanosine, 8-[[4-(1-methylethyl)phenyl]thio]-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-(hexylthio)-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-(ethylthio)-, cyclic 3′,5′-(hydrogen phosphate)