(1E,5E,9E)-cyclododeca-1,5,9-triene 1,5,9-cyclododecatriene, (1E,5E,9E)- InChI=1/C12H18/c1-2-4-6-8-10-12-11-9-7-5-3-1/h1-2,7-10H,3-6,11-12H2/b2-1+,9-7+,10-8