1,3,4-oxadiazole, 2,5-di-2-furanyl- 2,5-di-2-furyl-1,3,4-oxadiazole InChI=1/C10H6N2O3/c1-3-7(13-5-1)9-11-12-10(15-9)8-4-2-6-14-8/h1-6