4,4'-[3,3'-Dimethoxybiphenyl-4,4'-diylbis(azo)]bis[N-(1-naphtyl)-3-hydroxy-2-naphthamide]

4,4'-((3,3'-Dimethoxy(1,1'-biphenyl)-4,4'-diyl)diazo)bis(3-hydroxy-N-1-naphthylnaphthalene-2-carboxamide)

4,4'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)diazo]bis[3-hydroxy-N-1-naphthylnaphthalene-2-carboxamide]