The molecule is a dicarboxylic acid dianion resuting from removal of a proton from both carboxy groups of 4-fumarylacetoacetic acid. It has a role as a metabolite and a human metabolite. It derives from an oct-2-enedioate. It is a conjugate base of a 4-fumarylacetoacetic acid.
(E)-4,6-dioxooct-2-enedioate