4-[(2,3-dichlorophenyl)azo]-3-hydroxy-N-[5-[[[3-hydroxy-4-[(2-methoxy-4-nitrophenyl)azo]-2-naphthyl]carbonyl]amino]-1-naphthyl]naphthalene-2-carboxamide

4-[(2,3-Dichlorophenyl)azo]-3-hydroxy-N-[5-[[[3-hydroxy-4-[(2-methoxy-4-nitrophenyl)azo]-2-naphthalenyl]carbonyl]amino]-1-naphthalenyl]-2-naphthalenecarboxamide