EINECS 240-150-6, 1-(2-sulfo-4-methyl-5-chloro-1-phenylazo)-2-hydroxynaphthalene-3-carboxylic acid, (3-Chlor-4-methyl-6-sulfo-benzol)-(1-azo-1)-naphthol-(2)-3-carbonsaeure, 4-[(5-chloro-4-methyl-2-sulfophenyl)azo]-3-hydroxy-2-naphthoic acid, 2-Naphthalenecarboxylic acid,4-(2-(5-chloro-4-methyl-2-sulfophenyl)diazenyl)-3-hydroxy, 4-((5-Chloro-4-methyl-2-sulphophenyl)azo)-3-hydroxy-2-naphthoic acid, 1-(2-sulpho-4-methyl-5-chloro-1-phenylazo)-2-hydroxy-naphthalene-3-carboxylic acid, 2-Naphthalenecarboxylic acid,4-((5-chloro-4-methyl-2-sulfophenyl)azo)-3-hydroxy