IUPAC:({[({[(2R,3S,4R,5R)-5-(3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazin-2-yl)-3,4-dihydroxyoxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy](hydroxy)phosphoryl}oxy)phosphonic acid
IUPAC:({[({[(2R,3S,4R,5R)-5-(3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazin-2-yl)-3,4-dihydroxyoxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy](hydroxy)phosphoryl}oxy)phosphonic acid