IUPAC:({[({[(2S,3S,4R,5R)-3-amino-5-(4-amino-2-oxo-1,2-dihydropyrimidin-1-yl)-4-hydroxyoxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy](hydroxy)phosphoryl}oxy)phosphonic acid
IUPAC:({[({[(2S,3S,4R,5R)-3-amino-5-(4-amino-2-oxo-1,2-dihydropyrimidin-1-yl)-4-hydroxyoxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy](hydroxy)phosphoryl}oxy)phosphonic acid