6-amino-5-[[3-[(ethylphenylamino)sulphonyl]-4-methylphenyl]azo]-4-hydroxynaphthalene-2-sulphonic acid;2-Naphthalenesulfonic acid, 6-amino-5-3-(ethylphenylamino)sulfonyl-4-methylphenylazo-4-hydroxy-;6-amino-5-[[3-[(ethylphenylamino)sulfonyl]-4-methylphenyl]azo]-4-hydroxy-2-Naphthalenesulfonic acid;Acid Red GW;Acid Red P-L;Aminyl Red E-G;Midlon Fast Red E;Mitsui Nylon Fast Red G