The molecule is a 17(18)-EpETE in which the epoxy group has (17R,18S)-configuration. It is a conjugate acid of a 17(R),18(S)-EETeTr(1-). It is an enantiomer of a 17(S),18(R)-EETeTr.
(5Z,8Z,11Z,14Z)-16-[(2R,3S)-3-ethyloxiran-2-yl]hexadeca-5,8,11,14-tetraenoic acid