4-[(2,5-dichlorophenyl)azo]-N-[4-[[4-[[[4-[(2,5-dichlorophenyl)azo]-3-hydroxy-2-naphthyl]carbonyl]amino]benzoyl]amino]phenyl]-3-hydroxynaphthalene-2-carboxamide

4-[(2,5-Dichlorophenyl)azo]-N-[4-[[4-[[[4-[(2,5-dichlorophenyl)azo]-3-hydroxy-2-naphthalenyl]carbonyl]amino]benzoyl]amino]phenyl]-3-hydroxy-2-naphthalenecarboxamide