3.1.1.72 4-nitrophenol - 80 3.1.1.72 Ag+ - 75 3.1.1.72 Ba2+ low inhibition at 1 mM 111 3.1.1.72 Ca2+ - 15 3.1.1.72 Ca2+ 10 mM, 70% inhibition 15 3.1.1.72 Ca2+ low inhibition at 1 mM 15 3.1.1.72 Cd2+ low inhibition at 1 mM 52 3.1.1.72 CO2 50% inhibition at 1 mM 28 3.1.1.72 Co2+ - 23 3.1.1.72 Co2+ 1 mM, 86% inhibition 23