An<unk>  (also ethanedioate) is a salt or ester of<unk> alic acid. As a salt, the<unk>  anion has the chemical formula C2O42− or (COO)22−.
Consumption of<unk> s (for example, the grazing of animals on<unk> -containing plants such as greasewood), or human consumption of Sorrel may result in kidney disease or even death due to<unk>  poisoning.
The charge on<unk>  allows it to act as a chelator of various positively charged metal ions.
Much of its other properties resemble<unk> alic acid.
Oxalate
Meglutol
Acetaldehyde
Oxamyl
Malate
Succinic acid
Maleic acid
Flavin