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