Guanosine, 5′,6′-dideoxy-6′,6′-difluoro-6′-phosphono-β-D-ribo-hexofuranoadenylyl-(3′→5′)-, cyclic (2′→5′)-nucleotide

2′-Guanylic acid, N,1-(1,2-ethenediyl)adenylyl-(3′→5′)-3′-O-(2,2,2-trifluoroethyl)-, cyclic nucleotide

2′,5′′′-[(3,4-Dioxo-1-cyclobutene-1,2-diyl)diimino]-5′-deoxyadenylyl-(3′→5′)-2′-deoxyguanosine

5′-Guanylic acid, 2′-[dihydrogen (S)-phosphorothioate], cyclic 2′→5:5′→3-diester with (1R)-1,4-anhydro-2-deoxy-1-C-1-pyrenyl-D-erythro-pentitol

5′-Guanylic acid, 2′-[dihydrogen (R)-phosphorothioate], cyclic 2′→5:5′→3-diester with (1R)-1,4-anhydro-2-deoxy-1-C-1-pyrenyl-D-erythro-pentitol

2′-Guanylic acid, 3′-O-(2,2,2-trifluoroethyl)-, 5′-(dihydrogen phosphate), cyclic 2′→5:5′→3-diester with (1R)-1,4-anhydro-2-deoxy-1-C-1-naphthalenyl-D-erythro-pentitol

5′-Guanylic acid, 2′-[dihydrogen (S)-phosphorothioate], cyclic 2′→5′:5′→3′-diester with 1-(2-deoxy-β-D-erythro-pentofuranosyl)-1H-indole

2′-Guanylic acid, 3′-O-(2,2,2-trifluoroethyl)-, 5′-(dihydrogen phosphate), cyclic 2′→5′:5′→3′-diester with 1-(2-deoxy-β-D-erythro-pentofuranosyl)-1H-indole

7-Deazaguanosine, 5′-O-[(S)-hydroxymercaptophosphinyl]adenylyl-(2′→5′)-, cyclic (2′→5′)-nucleotide

7-Deazaguanosine, 5′-O-[(R)-hydroxymercaptophosphinyl]adenylyl-(2′→5′)-, cyclic (2′→5′)-nucleotide

2′-Guanylic acid, adenylyl-(3′→5′)-3′-O-(2-hydroxyethyl)-, cyclic nucleotide

2′-Guanylic acid, 2′-O-methyladenylyl-(3′→5′)-3′-O-(2,2,2-trfluoroethyl)-, cyclic nucleotide

7-Deaza-3′-guanylic acid, [P(S)]-P-thio-7-deazaadenylyl-(2′→5′)-, cyclic nucleotide