SMILES: C(=O)(C(=O)[O-])[O-]
Description: The molecule is a dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of oxalic acid. It has a role as a human metabolite and a plant metabolite. It is an oxalate and a dicarboxylic acid dianion. It is a conjugate base of an oxalate(1-).