The molecule is a hydroxy fatty acid ascaroside anion resulting from the deprotonation of the carboxy group of oscr#3. The conjugate base of oscr#3 and the major species at pH 7.3. It is a conjugate base of an oscr#3.
(E)-9-[(2R,3R,5R,6S)-3,5-dihydroxy-6-methyloxan-2-yl]oxynon-2-enoate