5-[(2,4-DINITROPHENYL)AMINO]-2-HYDROXYBENZENESULFONIC ACID, Benzenesulfonic acid,5-[(2,4-dinitrophenyl)amino]-2-hydroxy, 5-(2,4-Dinitro-anilino)-2-hydroxy-benzolsulfonsaeure, EINECS 275-683-3, 5-(2,4-dinitro-anilino)-2-hydroxy-benzenesulfonic acid, 2'.4'-Dinitro-4-oxy-diphenylamin-sulfonsaeure-(3), 5-((2,4-Dinitrophenyl)amino)-2-hydroxybenzenesulphonic acid