Heterocyclic derivatives

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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544360, A61K 31495, C07D40104

Patent

active

056522428

ABSTRACT:
Compounds of formula I ##STR1## and metabolically labile esters and amides thereof, and pharmaceutically acceptable salts thereof, in which R.sup.13, M.sup.2, X.sup.1, Z.sup.1, Z.sup.1a, X.sup.2 and A.sup.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.

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