1 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 1.000 2 1SY Cgamp 0.957 3 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 0.957 4 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 0.957 5 KT8 2'3'-cyclic-GMP-2'f-2'damp 0.915 6 9BG 2',5'-gpap 0.896 7 Y4F Cyclic (adenosine-(2'-5')-monophosphate-adenosine-(3'-5')-monophosphate 0.894 8 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 0.882 9 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 0.875 10 1YD 2-amino-9-[(2r,3r,3ar,5s,7as,9r,10r,10ar,12r,14as)-9-(6-amino-9h-purin-9-yl)-3,5,10,12-tetrahydroxy-5,12-dioxidooctahydro-2h,7h-difuro[3,2-D:3',2'-j][1,3,7,9,2,8]tetraoxadiphosphacyclododecin-2-yl]-1,9-dihydro-6h-purin-6-one 0.875 11 4BW 2-amino-9-[(2r,3r,3as,5r,7ar,9r,10r,10as,12r,14ar)-9-(6-amino-9h-purin-9-yl)-3,5,10,12-tetrahydroxy-5,12-dioxidooctahydro-2h,7h-difuro[3,2-D:3',2'-j][1,3,7,9,2,8]tetraoxadiphosphacyclododecin-2-yl]-1,9-dihydro-6h-purin-6-one 0.875 12 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 0.875 13 4UR 3'2'-cgamp 0.837 14 OOE 2',2'-difluoro-3',3'-cgamp 0.837 15 C2E 9,9'-[(2r,3r,3as,5s,7ar,9r,10r,10as,12s,14ar)-3,5,10,12-tetrahydroxy-5,12-dioxidooctahydro-2h,7h-difuro[3,2-D:3',2'-j][1,3,7,9,2,8]tetraoxadiphosphacyclododecine-2,9-diyl]bis(2-amino-1,9-dihydro-6h-purin-6-one) 0.820 16 2BA (2r,3r,3as,5r,7ar,9r,10r,10as,12r,14ar)-2,9-bis(6-amino-9h-purin-9-yl)octahydro-2h,7h-difuro[3,2-D:3',2'-j][1,3,7,9,2,8 ]tetraoxadiphosphacyclododecine-3,5,10,12-tetrol 5,12-dioxide 0.816 17 9B7 3',3'-cdimp 0.816 18 C2I 9-[(1r,6r,8r,9s,10r,15s,17r,18s)-3,9,12,18-tetrakis(oxidanyl)-3,12-bis(oxidanylidene)-17-(6-oxidanylidene-3h-purin-9-yl)-2,4,7,11,13,16-hexaoxa-3$L^{5},12$L^{5}-diphosphatricyclo[13.3.0.0^{6,10}]octadecan-8-yl]-3h-purin-6-one 0.816 19 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 0.816 20 JLU 9-[(1~{S},6~{R},8~{R},9~{R},10~{R},15~{R},17~{R})-8-(6-aminopurin-9-yl)-9-fluoranyl-3,12-bis(oxidanyl)-3,12-bis(oxidanylidene)-2,4,7,11,13-pentaoxa-3$L^{5},12$L^{5}-diphosphatricyclo[13.3.0.0^{6,10}]octadecan-17-yl]-2-azanyl-3~{H}-purin-6-one 0.816 21 V7E 3',3'-C-di-araamp 0.816 22 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 23 ZNT 2'3'-cua 0.812 24 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 25 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 0.789 26 GGF 2-azanyl-9-[(1~{R},6~{R},8~{R},9~{R},10~{R},15~{R},17~{R},18~{R})-17-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-9,18-bis(fluoranyl)-3,12-bis(oxidanyl)-3,12-bis(oxidanylidene)-2,4,7,11,13,16-hexaoxa-3$L^{5},12$L^{5}-diphosphatricyclo[13.3.0.0^{6,10}]octadecan-8-yl]-1~{H}-purin-6-one 0.784 27 K1L 9-[(1~{R},6~{R},8~{R},9~{R},10~{R},15~{R},17~{R},18~{S})-8-(6-aminopurin-9-yl)-9-fluoranyl-3,12,18-tris(oxidanyl)-3,12-bis(oxidanylidene)-2,4,7,11,13-pentaoxa-3$L^{5},12$L^{5}-diphosphatricyclo[13.3.0.0^{6,10}]octadecan-17-yl]-3~{H}-purin-6-one 0.780 28 M8T 2'-fluoro-,3',3'-C-di-AMP 0.780 29 38V [(2r,3s,4r,5r)-5-(6-aminopurin-9-yl)-3-[[(2r,3s,4r,5r)-5-(2-azanyl-6-oxidanylidene-3h-purin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-4-oxidanyl-oxolan-2-yl]methoxy-[[oxidanyl(phosphonooxy)phosphoryl]methyl]phosphinic acid 0.768 30 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 0.768 31 GPG Guanylyl-2',5'-phosphoguanosine 0.760 32 KAX 9-[(1~{R},6~{R},8~{R},10~{S},15~{R},17~{R},18~{S})-8-(6-aminopurin-9-yl)-18-fluoranyl-3,12-bis(oxidanyl)-3,12-bis(oxidanylidene)-2,4,7,11,13-pentaoxa-3$L^{5},12$L^{5}-diphosphatricyclo[13.3.0.0^{6,10}]octadecan-17-yl]purin-6-amine 0.760 33 IXK [5-(6-aminopurin-9-yl)-2-(hydroxymethyl)furan-3-yl] [5-(6-aminopurin-9-yl)-3-oxidanyl-furan-2-yl]methyl hydrogen phosphate 0.750 34 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 0.750 35 K1C 9-[(1~{R},6~{R},8~{R},9~{R},10~{R},15~{R},17~{R},18~{S})-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[13.3.0.0^{6,10}]octadecan-17-yl]purin-6-amine 0.745 36 PWB 3',3'-C-[2'fdamp-2'fdam(ps)] 0.745 37 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 38 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 39 KWF 2-azanyl-9-[(1~{R},6~{R},8~{R},9~{R},10~{S},15~{R},17~{R},18~{R})-8-[4-azanyl-5-(4-naphthalen-2-ylphenyl)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]-3~{H}-purin-6-one 0.738 40 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 0.737 41 8SC 3'3'-C-(2'f,2'da-isonuca)mp 0.725 42 O5W [(3~{S},5~{R})-5-(6-azanyl-1-methyl-purin-9-yl)-2-(phosphonooxymethyl)oxolan-3-yl] [(2~{R},3~{S},5~{R})-5-[5-methyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3-oxidanyl-oxolan-2-yl]methyl hydrogen phosphate 0.725 43 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 0.724 44 KXD 2-azanyl-9-[(1~{R},6~{R},8~{R},9~{R},10~{S},15~{R},17~{R},18~{R})-8-[4-azanyl-5-[4-(naphthalen-1-yloxymethyl)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]-3~{H}-purin-6-one 0.714 45 K43 9-[(1~{R},6~{R},8~{R},9~{S},10~{R},15~{R},17~{R},18~{S})-17-(6-aminopurin-9-yl)-9,18-bis(fluoranyl)-3,12-bis(oxidanyl)-3,12-bis(oxidanylidene)-2,4,11,13-tetraoxa-3$L^{5},12$L^{5}-diphosphatricyclo[13.3.0.0^{6,10}]octadecan-8-yl]purin-6-amine 0.712 46 R4T 9-[(1~{R},3~{R},6~{R},8~{R},9~{R},10~{R},12~{R},15~{R},17~{R},18~{R})-17-(6-aminopurin-9-yl)-9,18-bis(fluoranyl)-3,12-bis(oxidanylidene)-3,12-bis(sulfanyl)-2,4,7,11,13,16-hexaoxa-3$L^{5},12$L^{5}-diphosphatricyclo[13.3.0.0^{6,10}]octadecan-8-yl]purin-6-amine 0.712 47 UCG 3'-O-[(R)-{[(2r,3ar,4r,6r,6ar)-6-(2-amino-6-oxo-1,6-dihydro-9h-purin-9-yl)-2-hydroxy-2-oxidotetrahydrofuro[3,4-D][1,3,2]dioxaphosphol-4-yl]methoxy}(hydroxy)phosphoryl]uridine 5'-(dihydrogen phosphate) 0.704