1 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 1.000 2 1SY Cgamp 0.800 3 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 0.800 4 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 0.800 5 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 6 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 7 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 0.768 8 KT8 2'3'-cyclic-GMP-2'f-2'damp 0.768 9 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) 0.754 10 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 0.750 11 9B7 3',3'-cdimp 0.750 12 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 0.750 13 V7E 3',3'-C-di-araamp 0.750 14 Y4F Cyclic (adenosine-(2'-5')-monophosphate-adenosine-(3'-5')-monophosphate 0.750 15 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 0.737 16 OOE 2',2'-difluoro-3',3'-cgamp 0.737 17 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 0.719 18 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 0.719 19 4UR 3'2'-cgamp 0.707