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