The present invention relates to compounds of formula I, in which R1, R2, R91, R92, R93, R94, R95, R96, R97, r, s, and t have the meanings indicated in the claims. Compounds of formula I are valuable pharmacologically active compounds. They exhibit a strong antithrombotic effect and are suitable, for example, for the therapy and prophylaxis of thromboembolic diseases or restenoses. They are reversible inhibitors of the blood clotting enzyme factor VIIa and can in general be applied in conditions in which an undesired activity of factor VIIa is present or for the cure or prevention of conditions in which an inhibition of factor VIIa is intended. The invention furthermore relates to processes for the preparation of compounds of formula I, their use, in particular as active ingredients in pharmaceuticals, and pharmaceutical preparations comprising them.