L-aspartyl 9-O-10-oxo-(12Z)-octadecenoate ester residue
l-aspartyl 9-o-10-oxo-(12z)-octadecenoate ester residue
An oxo carboxylic acid anion that is the conjugate base of <small>L</small>-aspartyl 9-<em>O</em>-10-oxo-(12<i>Z</i>)-octadecenoic acid group.