1 TCJ [(1~{S},2~{R},4~{R},6~{S},8~{R})-8-(4-azanyl-5-methyl-2-oxidanylidene-pyrimidin-1-yl)-6-oxidanyl-9-oxatricyclo[4.3.0.0^{2,4}]nonan-2-yl] dihydrogen phosphate 1.000 2 EAN [(1~{S},2~{R},4~{R},6~{S},8~{R})-8-[5-methyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-6-oxidanyl-9-oxatricyclo[4.3.0.0^{2,4}]nonan-2-yl] dihydrogen phosphate 0.920 3 F7H 4-azanyl-1-[(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]-5-methyl-pyrimidin-2-one 0.760 4 TCY (2r,3as,4ar,5ar,5bs)-2-(6-amino-9h-purin-9-yl)-3a-hydroxyhexahydrocyclopropa[4,5]cyclopenta[1,2-B]furan-5a(4h)-yl dihydrogen phosphate 0.750 5 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 0.724