(2E,4E)-Hepta-2,4-dienal (E,E)-2,4-Heptadien-1-al 2,4-HEPTADIENAL 2,4-Heptadienal, (2E,4E)- 2,4-Heptadienal, (E,E)- 4313-03-5 EINECS 224-328-0 FEMA No. 3164 Trans-2-trans-4-Heptadienal trans,trans-2,4-Heptadienal