1.1.2.4	o-phenanthroline	very strong, reactivation with Zn2+ and Co2+	239	
1.1.2.4	oxalate	-	185	
1.1.2.4	oxalate	competitive	185	
1.1.2.4	oxaloacetate	competitive	57	
1.1.2.4	p-chloromercuribenzoate	weak	43	
1.1.2.4	p-Mercuriphenylsulfonate	-	9238	
1.1.2.4	phenylsuccinate	-	51873