. "Spontaneous elimination of HCl produces cis-4-carboxymethylenebut-2-en-4-olide." . "Also acts in reverse direction on 2-chloro-cis,cis-muconate." . "Not identical with EC 5.5.1.1 or EC 5.5.1.11." . . . "Chloromuconate cycloisomerase" . "Muconate cycloisomerase II" . "2-chloro-2,5-dihydro-5-oxofuran-2-acetate = 3-chloro-cis,cis-muconate." . "Manganese" .