1.1.99.20	1,4-benzoquinone	competitive to 2,6-dichlorophenolindophenol	315	
1.1.99.20	1,4-benzoquinone	at 0.02-0.05 mM, strong inhibitor; competitive to 2,6-dichlorophenolindophenol	315	
1.1.99.20	1,4-benzoquinone	at 0.01-1 mM inhibitor; competitive to 2,6-dichlorophenolindophenol	315	
1.1.99.20	arsenite	-	397	
1.1.99.20	Cd2+	-	52	
1.1.99.20	Co2+	-	23	
1.1.99.20	Cu2+	at 1 mM	19	
1.1.99.20	Cu2+	at 1 mM; competitive	19	
1.1.99.20	Fe3+	-	70	
1.1.99.20	Hg2+	at 1 mM	33