1 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 1.000 2 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 0.760