1 PCG Cyclic guanosine monophosphate 1.000 2 35G Guanosine-3',5'-monophosphate 1.000 3 6J7 2-amino-8-bromo-9-[(2r,4ar,6r,7r,7as)-2,7-dihydroxy-2-oxotetrahydro-2h,4h-2lambda~5~-furo[3,2-D][1,3,2]dioxaphosphinin-6-yl]-1,9-dihydro-6h-purin-6-one 0.958 4 6SW Inosine-3',5'-cyclic monophosphate 0.957 5 6SZ 2-aminopurine riboside-3',5'-cyclic monophosphate 0.957 6 6ZA 2-amino-9-[(2r,4ar,6r,7r,7as)-2,7-dihydroxy-2-sulfanylidenetetrahydro-2h,4h-2lambda~5~-furo[3,2-D][1,3,2]dioxaphosphinin-6-yl]-3,9-dihydro-6h-purin-6-one 0.917 7 6SX Purine riboside-3',5'-cyclic monophosphate 0.913 8 CMP Adenosine-3',5'-cyclic-monophosphate 0.875 9 7CH (2s,4ar,6r,7r,7as)-6-(4-amino-7h-pyrrolo[2,3-D]pyrimidin-7-yl)tetrahydro-4h-furo[3,2-D][1,3,2]dioxaphosphinine-2,7-diol 2-oxide 0.800 10 RP1 6-(6-amino-purin-9-yl)-2-thioxo-tetrahydro-2-furo[3,2-D][1,3,2]dioxaphosphinine-2,7-diol 0.800 11 SP1 6-(6-amino-purin-9-yl)-2-thioxo-tetrahydro-2-furo[3,2-D][1,3,2]dioxaphosphinine-2,7-diol 0.800 12 75G (2s,4ar,6r,7r,7as)-6-(6-amino-2-chloro-9h-purin-9-yl)-7-hydroxy-2-sulfanyltetrahydro-2h,4h-2lambda~5~-furo[3,2-D][1,3,2]dioxaphosphinin-2-one 0.769 13 8CS (2r,4ar,5ar,11ar,12as)-8-amino-2-hydroxy-4a,5a,9,11,11a,12a-hexahydro[1,3,2]dioxaphosphinino[4',5':5,6]pyrano[3,2-G]pteridine-10,12(4h,6h)-dione 2-oxide 0.769 14 9K9 2-amino-9-[(2s,3ar,4r,6r,6ar)-2-hydroxy-6-(hydroxymethyl)-2-oxotetrahydro-2h-2lambda~5~-furo[3,4-D][1,3,2]dioxaphosphol-4-yl]-3,9-dihydro-6h-purin-6-one 0.769 15 RP2 (2r,4ar,6r,7r,7as)-6-(6-amino-8-bromo-9h-purin-9-yl)tetrahydro-4h-furo[3,2-D][1,3,2]dioxaphosphinine-2,7-diol 2-sulfide 0.769 16 6FW 2-amino-8-[(4-chlorophenyl)sulfanyl]-9-[(2s,4ar,6r,7r,7as)-2,7-dihydroxy-2-oxotetrahydro-2h,4h-2lambda~5~-furo[3,2-D][1,3,2]dioxaphosphinin-6-yl]-3,9-dihydro-6h-purin-6-one 0.742 17 WNU 2-(~2~h_2_)amino-8-[(4-chlorophenyl)sulfanyl]-9-[(2s,4ar,6r,7r,7as)-2-hydroxy-7-(~2~H)hydroxy-2-oxotetrahydro-2h,4h-2lambda~5~-furo[3,2-D][1,3,2]dioxaphosphinin-6-yl](~2~H)-1,9-dihydro-6h-purin-6-one 0.742 18 6SY Uridine-3',5'-cyclic monophosphate 0.720 19 CC7 4-amino-1-[(2s,4ar,6r,7r,7as)-2,7-dihydroxy-2-oxidotetrahydro-4h-furo[3,2-D][1,3,2]dioxaphosphinin-6-yl]pyrimidin-2(1h)-one 0.720 20 SGP Guanosine-2',3'-cyclophosphorothioate 0.704 21 1OR (2r,4ar,6r,7r,7as)-6-[6-(dipropylamino)-9h-purin-9-yl]tetrahydro-4h-furo[3,2-D][1,3,2]dioxaphosphinine-2,7-diol 2-oxide 0.700