Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1982-09-09
1984-06-12
Schwartz, Richard A.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
546 95, A61K 3147, C07D45506
Patent
active
044541392
ABSTRACT:
The invention concerns benzoquinolizines of formula ##STR1## and their acid addition salts. In the formula R.sup.7 is lower alkyl or a phenyl or naphthyl radical optionally substituted with specified substituents and R.sup.8 is methyl or ethyl. The compounds possess high .alpha..sub.2 (presynaptic) adrenoceptor antagonistic activity and a good .alpha..sub.2 /.alpha..sub.1 antagonistic selectivity.
Archibald John L.
Ward Terence J.
John Wyeth & Brother Limited
Schwartz Richard A.
Tarnowski George
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