1.8.1.2	2'-AMP	NADPH-sulfite reductase and NADPH-cytochrome c reductase	771	
1.8.1.2	8-hydroxyquinoline	-	321	
1.8.1.2	arsenite	-	397	
1.8.1.2	Ba2+	-	111	
1.8.1.2	Br-	-	332	
1.8.1.2	Ca2+	strong inhibition	15	
1.8.1.2	Cd2+	-	52	
1.8.1.2	Cl-	-	141	
1.8.1.2	CN-	-	159	
1.8.1.2	CN-	severe inhibition of NADPH-sulfite,-nitrite,-hydroxylamine reductase, no inhibition of methyl viologen-sulfite reductase, small extent of inhibition of NADPH dependent reduction of cytochrome c, ferricyanide, quinones etc.	159