2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-[(hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino]-, monoammonium salt, S NO 1138, (2,4,6-Trioxo-hexahydro-pyrimidin-5-yl)-(2,4,6-trioxo-tetrahydro-pyrimidin-5-yliden)-amin,Ammonium-Salz, ammonium 5-(2,4,6-trioxoperhydropyrimidin-5-ylideneamino)barbiturate, (2,4,6-trioxo-hexahydro-pyrimidin-5-yl)-(2,4,6-trioxo-tetrahydro-pyrimidin-5-yliden)-amin,ammonium salt, Naples red, 5,5'-Nitrilodibarbituric acid monoammonium salt, Ammonium Purpurate, 5-[(hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino]-2,4,6(1H,3H,5H)-pyrimidinetrione,monoammonium salt, monoammoniumsalt