5-MEMBERED HETEROCYCLIC COMPOUNDS, PROCESSES FOR PREPARING THEM AND PHARMACEUTICAL COMPOSITIONS CONTAINING THESE COMPOUNDS

摘要

Heterocyclic Compounds The invention relates to 5-membered heterocyclic compounds of general formula (I) (wherein X1, X2, X3, X4 and X5 are as defined in any one of claims 1 to 6) and the tautomers, the stereoisomers including the mixtures thereof and the salts thereof, more particularly the physiologically acceptable salts thereof. The new compounds have valuable pharmacological properties, in particular, aggregationinhibiting effects.