CAS No 73212-59-6 , 4,4'-[1,3,4-oxadiazole-2,5-diyl]-bis[(2-methyl-4,1-phenylene)azo] bis[3-hydroxy]-n-phenyl-2-naphthalenecarboxamide4,4'-[1,3,4-Oxadiazole-2,5-Diylbis[(2-Methyl-4,1-Phenylene)Azo] Bis[3-Hydroxy-N-Phenyl-2-Naphthalenecarboxamide4,4'-[1,3,4-oxadiazole-2,5-diyl]-bis[(2-methyl-4,1-phenylene)azo] bis[3-hydroxy]-n-phenyl-2-naphthalenecarboxamide4,4'-[1,3,4-oxadiazole-2,5-diyl]-bis[(2-methyl-4,1-phenylene)azo] bis[3-hydroxy]-n-phenyl-2-naphthalenecarboxamide4,4'-[1,3,4-Oxadiazole-2,5-Diylbis[(2-Methyl-4,1-Phenylene)Azo] Bis[3-Hydroxy-N-Phenyl-2-Naphthalenecarboxamide4,4'-[1,3,4-oxadiazole-2,5-diyl]-bis[(2-methyl-4,1-phenylene)azo] bis[3-hydroxy]-n-phenyl-2-naphthalenecarboxamide