1 F7K 2-azanyl-9-[(1~{S},2~{R},4~{S},6~{S},8~{R})-2,6-bis(oxidanyl)-9-oxatricyclo[4.3.0.0^{2,4}]nonan-8-yl]-1~{H}-purin-6-one 1.000 2 F4Q [(1~{S},2~{R},4~{R},6~{S},8~{R})-8-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-6-oxidanyl-9-oxatricyclo[4.3.0.0^{2,4}]nonan-2-yl] dihydrogen phosphate 0.778 3 GNG 2'-deoxy-guanosine 0.708 4 L1J 2-azanyl-9-[(2~{R},4~{S},5~{R})-5-(hydroxymethyl)-4-oxidanyl-oxolan-2-yl]-1~{H}-purin-6-one 0.708