About the structure and biological function of oxiETrE Structure. Oxidized eicosatrienoic acids (oxiETrE) belong to the group of eicosanoids within the fatty acyls. Their structure is based on eicosanoic acid, a twenty carbon atoms long hydrocarbon chain with a carboxyl group. The chain contains three double bonds, from which their name derives. OxiETrE may further … Continue reading Oxidized Eicosatrienoic Acid