1,3,4-oxadiazole, 2,2'-[(E)-1,2-ethenediyl]bis[5-(2,5-dimethylphenyl)- 2,2'-(E)-ethene-1,2-diylbis[5-(2,5-dimethylphenyl)-1,3,4-oxadiazole] InChI=1/C22H20N4O2/c1-13-5-7-15(3)17(11-13)21-25-23-19(27-21)9-10-20-24-26-22(28-20)18-12-14(2)6-8-16(18)4/h5-12H,1-4H3/b10-9