1,4-Bis[4-[2-hydroxy-3-(2,4-dimethylphenylcarbamoyl)-1-naphtylazo]styryl]benzene

4,4'-[phenylene-1,4-bis(ethylenephenylene-1,4-azo)]bis[N-(2,4-dimethylphenyl)-3-hydroxynaphthalene-2-carboxamide]

4,4'-[(1,4-Phenylene)bis(2,1-ethenediyl-4,1-phenyleneazo)]bis[3-hydroxy-N-(2,4-dimethylphenyl)-2-naphthalenecarboxamide]