| abstract |
The invention relates to 5-membered heterocycles of the general formula <IMAGE> in which X1 to X5 are as defined in Claim 1, tautomers thereof, stereoisomers thereof including mixtures thereof and salts thereof, in particular physiologically tolerable salts thereof with inorganic or organic acids or bases, which have useful pharmacological properties, preferably aggregation-inhibiting actions, medicaments containing the compounds and processes for their preparation. |