134-02-1 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-((hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino)-, monoammonium salt 3051-09-0 Ammonium 5-(2,4,6-trioxoperhydropyrimidin-5-ylideneamino)barbiturate Ammonium purpurate Ammonium salt purpuric acid Barbituric acid, 5,5'-nitrilodi-, monoammonium salt (VAN) (8CI) EINECS 221-266-6 Murexide NSC 215208