24598-73-0 4-Pyrimidinecarboxylic acid, 1,2,3,6-tetrahydro-2,6-dioxo-, monopotassium salt Ba 2658 Dioron EINECS 246-341-0 Oropur Orotic acid, monopotassium salt Potassium 1,2,3,6-tetrahydro-2,6-dioxopyrimidine-4-carboxylate Potassium orotate