Synonyms: 4,4'-[(phenylmethylene)bis[(2,5-dimethyl-4,1-phenylene)azo]]bis[3-hydroxy-N-phenylnaphthalene-2-carboxamide];2-Naphthalenecarboxamide, 4,4'-[(phenylmethylene)bis[ (2,5-dimethyl-4,1-phenylene)azo]]bis[3-hydroxy-N -phenyl-;4,4'-[(Phenylmethylene)bis[(2,5-dimethyl-4,1-phenylene)azo]]bis(3-hydroxy-N-phenyl-2-naphthalenecarboxamide)