2-Pentenal,(2E), 2-Pentenal, (E)-, penten-1-one, T2 PENTENAL, 2-Ethylacrylic aldehyde, (E)-pent-2-enal, (2E)-2-Pentenal, 2-PENTENAL(E), (E)-pent-2-en-1-al, FEMA 3218, (E)-2-penten-1-al, (E)-2-pentenal, trans-2-penten-1-one, pent-2-enal, 2-(E)-pentenal