2-[2-hydroxy-3-(2-chlorophenyl) carbamoyl-1-naphthylazo]-7-[2-hydroxy-3-(3-methylphenyl)-2-[2-hydroxy-3-(3-methylphenyl)-carbamoyl-1-naphthylazo]-7-[2-hydroxy-3-(3-methylphenyl)-carbamoyl-1-naphthylazo]fluoren-9-one
2-[2-hydroxy-3-(2-chlorophényle) carbamoyle-1-naphthylazo]-7-[2-hydroxy-3-(3-méthylphényle)-carbamoyle-1-naphthylazo]fluoren-9-one