1,3,4-oxadiazole, 2-(4-bromophenyl)-5-(1-naphthalenyl)- 2-(4-bromophenyl)-5-(1-naphthyl)-1,3,4-oxadiazole InChI=1/C18H11BrN2O/c19-14-10-8-13(9-11-14)17-20-21-18(22-17)16-7-3-5-12-4-1-2-6-15(12)16/h1-11