(2E,4E)-Octa-2,4-dienal (E,E)-2,4-Octadien-1-al 2,4-Octadienal, (2E,4E)- 2,4-Octadienal, (E,E)- 2,4-Octadienal, trans,trans- 30361-28-5 EINECS 250-147-1 FEMA No. 3721 trans,trans-2,4-Octadienal