IUPAC:({[({[(2R,3S,4R,5S)-3,4-dihydroxy-5-(1-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)oxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy](hydroxy)phosphoryl}oxy)phosphonic acid
IUPAC:({[({[(2R,3S,4R,5S)-3,4-dihydroxy-5-(1-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)oxolan-2-yl]methoxy}(hydroxy)phosphoryl)oxy](hydroxy)phosphoryl}oxy)phosphonic acid