IUPAC:({[({[(2R,3S,4R,5S)-5-{7-amino-1H-pyrazolo[4,3-d]pyrimidin-3-yl}-3,4-dihydroxyoxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy](hydroxy)phosphoryl}oxy)phosphonic acid
IUPAC:({[({[(2R,3S,4R,5S)-5-{7-amino-1H-pyrazolo[4,3-d]pyrimidin-3-yl}-3,4-dihydroxyoxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy](hydroxy)phosphoryl}oxy)phosphonic acid