SMILES: C(=C\\C(=O)[O-])\\C(=O)[O-]
Description: The molecule is a C4-dicarboxylate that is the Z-isomer of but-2-enedioate(2-) It has a role as a plant metabolite. It is a butenedioate, a C4-dicarboxylate and a maleate. It is a conjugate base of a maleate(1-).