4,4'-[1,3,4-Oxadiazole-2,5-diylbis(4,1-phenyleneazo)]bis(3-hydroxy-N-methyl-2-naphthalenecarboxamide)

4,4'-[1,3,4-oxadiazole-2,5-diylbis(phenylene-1,4-azo)]bis(3-hydroxy-N-methylnaphthalene-2-carboxamide)