1.1.3.50 (NH4)2S2O8 1 mM, 50% inhibition 44980 1.1.3.50 Al2+ 1 mM, 88% inhibition 262232 1.1.3.50 aminoguanidine 1 mM, 9% inhibition 1553 1.1.3.50 Ca2+ 1 mM, 64% inhibition 15 1.1.3.50 carminate substrate inhibition 262366 1.1.3.50 Co2+ 1 mM, 72% inhibition 23 1.1.3.50 Cu2+ 1 mM, 86% inhibition 19 1.1.3.50 diethyldithiocarbamate 1 mM, 11% inhibition 373 1.1.3.50 Fe2+ 1 mM, complete inhibition 25 1.1.3.50 Fe3+ 1 mM, 54% inhibition 70