(2E,4E,6E,8E)-undeca-2,4,6,8-tetraene (E,E,E,E)-2,4,6,8-Undecatetraene 2,4,6,8-undecatetraene, (2E,4E,6E,8E)- InChI=1/C11H16/c1-3-5-7-9-11-10-8-6-4-2/h3,5-11H,4H2,1-2H3/b5-3+,8-6+,9-7+,11-10 Undeca-2,4,6,8-tetraene