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

摘要

Condensed five-membered heterocyclic compounds The invention relates to condensed five-membered heterocyclic compounds of formula I: <IMG> (wherein Ra, Rb, X and Y are defined as in claim 1) and the isomers and salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable pharmacological properties, particularly aggregationinhibiting effects, to pharmaceutical compositions containing the compounds and to processes for preparing them.