IUPAC:({[({[(2R,3S,4R,5R)-5-(2-amino-6,8-dioxo-6,7,8,9-tetrahydro-3H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy](hydroxy)phosphoryl}oxy)phosphonic acid
IUPAC:({[({[(2R,3S,4R,5R)-5-(2-amino-6,8-dioxo-6,7,8,9-tetrahydro-3H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy](hydroxy)phosphoryl}oxy)phosphonic acid