The molecule is a pyrimidine ribonucleoside 5'-monophosphate that is the 6-oxo derivative of UMP. It derives from a uridine 5'-monophosphate and a barbituric acid.
[(2R,3S,4R,5R)-3,4-dihydroxy-5-(2,4,6-trioxo-1,3-diazinan-1-yl)oxolan-2-yl]methyl dihydrogen phosphate