3.4.21.78 (4-Amidinophenyl)-methanesulfonyl fluoride - 42783 3.4.21.78 3,4-dichloroisocoumarin poor 1040 3.4.21.78 3,4-dichloroisocoumarin weak inhibition 1040 3.4.21.78 3-aminobenzamidine - 91366 3.4.21.78 4-aminobenzamidine - 2072 3.4.21.78 alpha-2-Macroglobulin - 7367 3.4.21.78 Alpha1-proteinase inhibitor - 3381 3.4.21.78 alpha2-Macroglobulin - 1068 3.4.21.78 antithrombin III - 2368 3.4.21.78 Aprotinin - 405