Bicyclic heterocyclic amino derivatives
 The present invention concerns compounds of formula ##STR1## wherein X is O, S or NH; n is 1 or 2 and A is a 5-membered heterocyclic ring, wherein the bicyclic system may be substituted. The compounds are useful as myotonolytic and anti-hypertensive agents. 
Sandoz Ltd.
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C07D C07D
inventional inventional
Peter
Neumann