IUPAC:[(1E)-2-[(2R,3R,4R,5R)-5-(2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)-3-hydroxy-4-methoxyoxolan-2-yl]ethenyl]phosphonic acid
IUPAC:[(1E)-2-[(2R,3R,4R,5R)-5-(2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)-3-hydroxy-4-methoxyoxolan-2-yl]ethenyl]phosphonic acid