1	GPG	Guanylyl-2',5'-phosphoguanosine	1.000
2	CG2	Cytidyl-2'-5'-phospho-guanosine	0.844
3	U2G	Uridylyl-2'-5'-phospho-guanosine	0.844
4	9BG	2',5'-gpap	0.816
5	1SY	Cgamp	0.796
6	1YC	2-amino-9-[(1r,3r,6r,8r,9r,11s,14r,16r,17r,18r)-16-(6-amino-9h-purin-9-yl)-3,11,17,18-tetrahydroxy-3,11-dioxido-2,4,7,10,12,15-hexaoxa-3,11-diphosphatricyclo[12.2.1.1~6,9~]octadec-8-yl]-1,9-dihydro-6h-purin-6-one	0.796
7	4UR	3'2'-cgamp	0.796
8	9UH	(2r,5r,7r,8s,10r,12ar,14r,15r,15as,16r)-7-(2-amino-6-oxo-1,6-dihydro-9h-purin-9-yl)-14-(6-amino-9h-purin-9-yl)-2,10,15,16-tetrahydroxyoctahydro-2h,10h,12h-5,8-methano-2lambda~5~,10lambda~5~-furo[3,2-L][1,3,6,9,11,2,10]pentaoxadiphosphacyclotetradecine-2,10-dione	0.796
9	9UR	(2s,5r,7r,8r,10s,12ar,14r,15r,15ar,16r)-7-(2-amino-6-oxo-3,6-dihydro-9h-purin-9-yl)-14-(6-amino-9h-purin-9-yl)-2,10,15,16-tetrahydroxyoctahydro-2h,10h,12h-5,8-methano-2lambda~5~,10lambda~5~-furo[3,2-L][1,3,6,9,11,2,10]pentaoxadiphosphacyclotetradecine-2,10-dione	0.796
10	UPA	Uridylyl-2'-5'-phospho-adenosine	0.783
11	J2A	(2s,5r,7r,8r,10r,12ar,14r,15r,15as,16r)-7-(2-amino-6-oxo-3,6-dihydro-9h-purin-9-yl)-14-(6-amino-9h-purin-9-yl)-15,16-dihydroxy-2,10-disulfanyloctahydro-2h,10h,12h-5,8-methano-2lambda~5~,10lambda~5~-furo[3,2-L][1,3,6,9,11,2,10]pentaoxadiphosphacyclotetradecine-2,10-dione	0.760
12	KT2	2-azanyl-9-[(1~{R},6~{R},8~{R},9~{R},10~{S},15~{R},17~{R},18~{R})-8-(4-azanylpyrrolo[2,3-D]pyrimidin-7-yl)-3,9,12,18-tetrakis(oxidanyl)-3,12-bis(oxidanylidene)-2,4,7,11,13,16-hexaoxa-3$L^{5},12$L^{5}-diphosphatricyclo[13.2.1.0^{6,10}]octadecan-17-yl]-1~{H}-purin-6-one	0.760
13	KT8	2'3'-cyclic-GMP-2'f-2'damp	0.760
14	OKR	[[(2~{R},3~{R},4~{R},5~{R})-5-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-4-[[(2~{R},3~{S},4~{R},5~{R})-5-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-3-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate	0.750
15	Y4F	Cyclic (adenosine-(2'-5')-monophosphate-adenosine-(3'-5')-monophosphate	0.740
16	VLO	[[(2~{R},3~{R},4~{R},5~{R})-5-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-4-[[(2~{R},3~{S},4~{R},5~{R})-3,4-bis(oxidanyl)-5-(6-oxidanylidene-1~{H}-purin-9-yl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-3-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate	0.732
17	GJF	(1~{R},3~{S},6~{R},8~{R},9~{R},10~{S},12~{S},15~{R},17~{R},18~{R})-8,17-bis(6-aminopurin-9-yl)-3,12-bis(oxidanylidene)-3,12-bis(sulfanyl)-2,4,7,11,13,16-hexaoxa-3$L^{5},12$L^{5}-diphosphatricyclo[13.2.1.0^{6,10}]octadecane-9,18-diol	0.706
18	OKX	[(2~{R},3~{R},4~{R},5~{R})-4-[[(2~{R},3~{S},4~{R},5~{R})-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-5-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-3-oxidanyl-oxolan-2-yl]methoxy-[[oxidanyl(phosphonooxy)phosphoryl]methyl]phosphinic acid	0.702