200488-51-3 35294-62-3 64683-41-6 7-Benzothiazolesulfonic acid, 2-(4-((hexahydro-2,4,6-trioxo-5-pyrimidinyl)azo)phenyl)-6-methyl-, monosodium salt 7-Benzothiazolesulfonic acid, 6-methyl-2-(4-((2,4,6-trihydroxypyrimidin-5-yl)azo)phenyl)-, sodium salt EINECS 252-493-9 Sodium (4-((hexahydro-2,4,6-trioxopyrimidin-5-yl)azo)phenyl)-6-methylbenzothiazole-7-sulphonate