Benzopyranopyrrole and benzopyranopyridine .alpha.-1 adenergic c

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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544250, 544251, A61K 31505, C07D23900, C07D47100, C07D48700

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active

058918825

ABSTRACT:
The present invention relates to a compound of the formula ##STR1## and the pharmaceutically acceptable salts thereof wherein W is a bicyclic heterocyclic ring system. The compounds are .alpha.-1 adrenergic antagonists and are useful in the treatment of BPH; also disclosed are .alpha.-1 antagonist compositions and a method for antagonizing .alpha.-1 adrenoreceptors and tr

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