Synonyms: Nickel,5,5'-azobis-2,4,6(1H,3H,5H)-pyrimidinetrione complexes;Nickel, 5,5'-(1,2-diazenediyl)bis(2,4,6(1H,3H,5H)-pyrimidinetrione) complexes;5,5'-Azobis(2,4,6-pyrimidinetriol), nickel complex;5-(5-(2,4,6(1H,3H,5H)-Pyrimidinetrionyl)azo)-2,4,6(1H,3H,5H)-pyrimidinetrione, nickel complex;Plasco yellow 150;