The molecule is a dicarboxylic acid dianion obtained by removal of a proton from both of the carboxylic acid groups of 5-dehydro-4-deoxy-D-glucarate. It derives from a D-glucarate(2-). It is a conjugate base of a 5-dehydro-4-deoxy-D-glucarate(1-).
(2R,3S)-2,3-dihydroxy-5-oxohexanedioate