(E)-2-Heptene 14686-13-6 2-HEPTENE (TRANS) 2-Heptene, (E)- 2-Heptene, (E)- (8CI)(9CI) EINECS 238-727-2 Heptylene-2, trans- Heptylene-2-trans NSC 74131 trans-2-Heptene trans-Hept-2-ene