1.3.1.32	maleylacetate reductase	3-chlorocatechol degradation I (ortho)	
3.1.1.45	carboxymethylenebutenolidase	3-chlorocatechol degradation I (ortho)	
5.5.1.7	Chloromuconate cycloisomerase	3-chlorocatechol degradation I (ortho)