5-[(4-Chlorophenyl)azo]salicylic acid, 5-(4-Chlor-benzol-(1)-azo)-2-hydroxy-benzoesaeure, 5-(4-Chlor-phenylazo)-2-hydroxy-benzoesaeure, 4'-Chlor-4-hydroxy-azobenzol-carbonsaeure-(3), 5-(4-chloro-phenylazo)-2-hydroxy-benzoic acid, (4-Chlor-benzol)-(1 azo 5)-salicylsaeure