sodium 3-amino-4-hydroxy-5-nitrobenzenesulfonate, Sodium 3-amino-4-hydroxy-5-nitrobenzenesulphonate, Benzenesulfonicacid,3-amino-4-hydroxy-5-nitro-,monosodium salt (9CI), EINECS 286-308-8, Benzenesulfonic acid,3-amino-4-hydroxy-5-nitro-,sodium salt (1:1),