3.4.19.1 Cl- 0.1-0.5 M, activates activity towards N-acetyl-Ala p-nitroanilide and N-acetyl-Ala beta-naphthylamide 95251 3.4.19.1 Cl- activates 29061 3.4.19.1 SCN- 0.1-0.5 M, activates towards N-acetyl-Ala p-nitroanilide and N-acetyl-Ala beta-naphthylamide 95251