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