(E)-2-(11-Tetradecen-9-yn-1-yloxy)tetrahydropyran (E)-Tetrahydro-2-(11-tetradecen-9-ynyloxy)-2H-pyran 2H-Pyran, tetrahydro-2-((11E)-11-tetradecen-9-ynyloxy)- 54664-77-6 EINECS 259-285-7