o-[(2r,3s,4r,5r)-5-(2-amino-6-oxo-3,6-dihydro-9h-purin-9-yl)-2-({[(s)-({(2r,3s,4r,5r)-5-(2,4-dioxo-3,4-dihydro-1(2h)-pyrimidinyl)-4-hydroxy-2-[(thiophosphonooxy)methyl]tetrahydro-3-furanyl}oxy)(sulfan yl)phosphoryl]oxy}methyl)-4-hydroxytetrahydro-3-furanyl] dihydrogen (r)-phosphorothioate (non-preferred name) - Open Babel Depiction