1,3,4-oxadiazole, 2,2'-(1,2-ethanediyl)bis[5-(1,1-dimethylethyl)- 2,2'-ethane-1,2-diylbis(5-tert-butyl-1,3,4-oxadiazole) InChI=1/C14H22N4O2/c1-13(2,3)11-17-15-9(19-11)7-8-10-16-18-12(20-10)14(4,5)6/h7-8H2,1-6H