Synonyms: 4,4'-[1,3,4-OXADIAZOLE-2,5-DIYLBIS(4,1-PHENYLENEAZO)] BIS[N-(2-ETHOXYPHENYL)]-3-HYDROXY-2-NAPHTHALENECARBOXAMIDE;4,4'-[1,3,4-OXADIAZOLE-2,5-DIYLBIS(4,1-PHENYLENEAZO)] BIS[N-(2-ETHOXYPHENYL)3-HYDROXY-2-NAPHTHALENECARBOXAMIDE;4,4'-[1,3,4-Oxadiazole-2,5-Diylbis(4,1-Phenyleneazo)] Bis[N-(2-Ethoxyphenyl)3-Hydroxy-2-Naphthalenecarboxamide