N-[4-[2,4-bis(1,1-dimethylpropyl)phenoxy]butyl]-1-hydroxy-4-[[[3-[[[4-hydroxy-8-[[2-(methylsulphonyl)-4-nitrophenyl]azo]-1-naphthyl]amino]sulphonyl]phenyl]sulphonyl]amino]naphthalene-2-carboxamide

N-[4-[2,4-Bis(1,1-dimethylpropyl)phenoxy]butyl]-1-hydroxy-4-[[[3-[[[4-hydroxy-8-[[2-(methylsulfonyl)-4-nitrophenyl]azo]-1-naphthalenyl]amino]sulfonyl]phenyl]sulfonyl]amino]-2-naphthalenecarboxamide