The molecule is an icosanoid that is (6E,8Z,11Z,14Z,17Z)-icosapentaenoic acid substituted at positions 5 and 20 by hydroxy groups. It is an icosanoid, an omega-hydroxy fatty acid, a long-chain fatty acid, a polyunsaturated fatty acid, a homoallylic alcohol and a secondary allylic alcohol. It derives from an all-cis-5,8,11,14,17-icosapentaenoic acid. It is a conjugate acid of a 5,20-diHEPE(1-).
(6E,8Z,11Z,14Z,17Z)-5,20-dihydroxyicosa-6,8,11,14,17-pentaenoic acid