1.3.1.32 maleylacetate reductase 3-chlorocatechol degradation 3-chlorocatechol degradation 1.13.11.1 catechol 1,2-dioxygenase 3-chlorocatechol degradation 3-chlorocatechol degradation 3.1.1.45 carboxymethylenebutenolidase 3-chlorocatechol degradation 3-chlorocatechol degradation 5.5.1.7 Chloromuconate cycloisomerase 3-chlorocatechol degradation 3-chlorocatechol degradation