1 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 1.000 2 1SY Cgamp 0.915 3 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 0.875 4 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 0.837 5 VZ6 9-[(1~{S},6~{R},8~{R},9~{R},10~{R},15~{R},17~{R},18~{R})-8-(6-aminopurin-9-yl)-9,18-bis(fluoranyl)-3,12-bis(oxidanyl)-3,12-bis(oxidanylidene)-2,4,7,11,13-pentaoxa-3$L^{5},12$L^{5}-diphosphatricyclo[13.2.1.0^{6,10}]octadecan-17-yl]-1~{H}-purin-6-one 0.816 6 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 0.800 7 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 0.800 8 KT8 2'3'-cyclic-GMP-2'f-2'damp 0.800 9 ZEV (2r,5r,7r,8s,10r,12ar,14r,15s,15ar,16r)-7-(2-amino-6-oxo-1,6-dihydro-9h-purin-9-yl)-14-(6-amino-9h-purin-9-yl)-15,16-difluoro-2,10-bis(sulfanyl)octahydro-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 0.800 10 GPG Guanylyl-2',5'-phosphoguanosine 0.796 11 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 0.780 12 OK6 2-azanyl-9-[(1~{R},6~{R},8~{R},9~{R},10~{S},15~{R},17~{R},18~{R})-8-(4-azanyl-5-phenyl-pyrrolo[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 0.778 13 ZNT 2'3'-cua 0.776 14 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 0.768 15 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 0.754 16 9BG 2',5'-gpap 0.750 17 W78 3-[(1~{R},3~{R},6~{R},8~{R},9~{R},10~{R},12~{R},15~{R},17~{R},18~{R})-8-(6-aminopurin-9-yl)-9-fluoranyl-18-oxidanyl-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}]octadecan-17-yl]-6~{H}-imidazo[4,5-D]pyridazin-7-one 0.745 18 WY8 9-[(1~{S},3~{R},6~{R},8~{R},9~{R},10~{R},12~{R},15~{R},17~{R},18~{R})-8-(6-aminopurin-9-yl)-9,18-bis(fluoranyl)-3,12-bis(oxidanylidene)-3,12-bis(sulfanyl)-2,4,7,11,13-pentaoxa-3$L^{5},12$L^{5}-diphosphatricyclo[13.2.1.0^{6,10}]octadecan-17-yl]-1~{H}-purin-6-one 0.745 19 CG2 Cytidyl-2'-5'-phospho-guanosine 0.735 20 VWX [[(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-3-oxidanyl-5-(6-oxidanylidene-1~{H}-purin-9-yl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate 0.719 21 UPA Uridylyl-2'-5'-phospho-adenosine 0.714 22 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 0.707 23 KWO 2-azanyl-9-[(1~{R},6~{R},8~{R},9~{R},10~{S},15~{R},17~{R},18~{R})-8-[4-azanyl-5-(4-phenylphenyl)pyrrolo[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 0.700 24 U2G Uridylyl-2'-5'-phospho-guanosine 0.700