The molecule is a polyunsaturated fatty acid anion that is the conjugate base of (7R)-hydroxy-(5S,6S)-epoxy-(8Z,11Z,14Z)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a long-chain fatty acid anion, an icosanoid anion and a hydroxy polyunsaturated fatty acid anion. It is a conjugate base of a (7R)-hydroxy-(5S,6S)-epoxy-(8Z,11Z,14Z)-icosatrienoic acid.
4-[(2S,3R)-3-[(1S,2Z,5Z,8Z)-1-hydroxytetradeca-2,5,8-trienyl]oxiran-2-yl]butanoate