The molecule is a carbohydrate acid anion that is the conjugate base of 3,6-anhydro-L-galactonic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It has a role as a marine metabolite. It derives from a L-galactonate.
(2S)-2-[(2R,3R,4S)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyacetate