The molecule is a (4Z,7Z,10Z,13Z,16Z)-19,20-epoxydocosapentaenoic acid with (19S,20R)-configuration. It derives from an all-cis-docosa-4,7,10,13,16,19-hexaenoic acid. It is a conjugate acid of a (4Z,7Z,10Z,13Z,16Z,19S,20R)-19,20-epoxydocosapentaenoate. It is an enantiomer of a (4Z,7Z,10Z,13Z,16Z,19R,20S)-19,20-epoxydocosapentaenoic acid.
(4Z,7Z,10Z,13Z,16Z)-18-[(2S,3R)-3-ethyloxiran-2-yl]octadeca-4,7,10,13,16-pentaenoic acid