Hydrazino bicyclic pyridazines as hypertensives

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...

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544235, 544236, 2603264, 2603268, 546281, 546242, 542427, A61K 3150, C07D23728, C07D23726, C07D47104

Patent

active

042632986

ABSTRACT:
This invention provides new compounds of formula I, ##STR1## wherein R.sub.1 is amino, or ##STR2## wherein each of R.sub.3 and R.sub.4 is independently alkyl of 1 to 4 carbon atoms,

REFERENCES:
patent: 3838125 (1974-09-01), Shenker
Shenker I, Chem. Abs. 78, 43502t (1972).
Shenker III, Chem. Abs. 83, 28261-3 (1975).
Shenker II, Chem. Abs. 83, 11450-6 (1975).
Shenker V, Chem. Abs. 83, 206311 (1975).

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