The invention relates to inhibitors of trypsin-like serine proteases of the general formula (I) which, as well as plasmin, also inhibit plasma kallikrein, and to their preparation and use as medicaments, preferably for treatment of blood loss, especially in the case of hyperfibrinolytic states, in organ transplants or heart surgery interventions, in particular with a cardiopulmonary bypass, or as a constituent of a fibrin adhesive.