HETEROCYCLIC DERIVATIVES AS PLATELET AGGREGATION INHIBITORS

摘要

Compounds of formula (I) and metabolically labile esters and amides thereof, and pharmaceutically acceptable salts thereof, in which R<13>, M<2>, X<1>, Z<1>, Z<1a>, X<2> and A<1> have the meanings given in the specification. The compounds are useful as inhibitors of the binding of fibrinogen to glycoprotein IIb/IIIa. Novel intermediates are also disclosed.