Amino-2,1,3-benzothiadiazole and -benzoxadiazole derivatives, their preparation and pharmaceutical compositions containing them
 The compounds of formula I ##STR1## wherein A is an optionally substituted 2,1,3-benzothiadiazole or 2,1,3-benzoxadiazole moiety, PA0 B is a trisubstituted amino group and PA0 C is an optionally 1-substituted 4,5-dihydro-1H-imidazol-2-yl or an optionally 3-substituted 3,4,5,6-tetrahydropyrimidin-2-yl moiety. are useful as bradycardiac agents, as anti-tremor, anti-rigor and myotonolytic agents, as tranquillizers and as antidepressants. 
Sandoz Ltd.
C C
C07D C07D
inventional inventional
Gerhard Peter
Bormann Neumann