1324-29-4 Anthrazinesulfonic acid, 5,6,9,14,15,18-hexahydro-5,9,14,18-tetraoxo-, monosodium salt EINECS 215-371-6 Sodium 5,6,9,14,15,18-hexahydro-5,9,14,18-tetraoxoanthrazinesulphonate