9-HPODE(1-) linoleic acid octadecadienoate linoleate cis-Delta(9,12)-octadecadienoate (9Z,12Z)-octadeca-9,12-dienoate (9Z,12Z)-9,12-octadecadienoic acid, ion(1-) An octadecadienoate with <i>cis</i>- double bonds at the 9- and 12- positions; the conjugate base of linoleic acid. (Z,Z)-9,12-octadecadienoic acid, ion(1-) (9Z,12Z)-octadeca-9,12-dienoate linoleic acid, ion(1-) cis,cis-linoleate (9Z,12Z)-octadecadienoate cis,cis-9,12-octadecadienoate plant metabolite human blood serum metabolite