(E,Z,Z,Z)-Tetrahydro-6-(1,3,6,9-pentadecatetraenyl)-2H-pyran-2-one 2H-Pyran-2-one, tetrahydro-6-(1,3,6,9-pentadecatetraenyl)-, (E,Z,Z,Z)- 5-Hete lactone 5-Hydroxyeicosatetraenoic acid lactone 5-Lactone-hete 81517-87-5