3′-Adenylic acid, [P(S)]-P,3′-dideoxy-P-methylguanylyl-(2′→5′)-, cyclic nucleotide

3′-Adenylic acid, [P(R)]-P,3′-dideoxy-P-methylguanylyl-(2′→5′)-, cyclic nucleotide

2′-Guanylic acid, adenylyl-(3′→5′)-6-O-2-propyn-1-yl-, cyclic nucleotide

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

7-Deazaguanosine, 5′-O-[(S)-hydroxymercaptophosphinyl]-7-deazaadenylyl-(3′→5′)-, cyclic nucleotide

7-Deazaguanosine, 5′-O-[(R)-hydroxymercaptophosphinyl]-7-deazaadenylyl-(3′→5′)-, cyclic nucleotide

7-Deazaguanosine, N-benzoyl-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(S)-hydroxymercaptophosphinyl]-7-deazaadenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-, cyclic nucleotide

7-Deazaguanosine, N-benzoyl-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(R)-hydroxymercaptophosphinyl]-7-deazaadenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-, cyclic nucleotide

Guanosine, [P(R)]-N-benzoyl-P(O)-(2-cyanoethyl)-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(S)-hydroxymercaptophosphinyl]-P-thio-7-deazaadenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-, cyclic nucleotide

Guanosine, [P(S)]-N-benzoyl-P(O)-(2-cyanoethyl)-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(S)-hydroxymercaptophosphinyl]-P-thio-7-deazaadenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-, cyclic nucleotide

Guanosine, [P(S)]-N-benzoyl-P(O)-(2-cyanoethyl)-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(R)-hydroxymercaptophosphinyl]-P-thio-7-deazaadenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-, cyclic nucleotide

Guanosine, [P(R)]-N-benzoyl-P(O)-(2-cyanoethyl)-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-5′-O-[(R)-hydroxymercaptophosphinyl]-P-thio-7-deazaadenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-, cyclic nucleotide