Abstract:
Disclosed are compounds characterized by the structural formula: ##STR1## Various compounds circumscribed by the foregoing formula in which: R is H, CH. sub. 3 or CH. sub. 2 CH. sub. 3, R' is H, or ##STR2## X is H, F or OCH. sub. 3, Y is H or Cl, and Z is H or ##STR3## are therapeutically useful as anti-hypertensive agents.