6H-oxazolo[4,5-e]indole derivatives as nicotinic...
6H-THIENO [2,3-b]pyrrole derivatives as antagonists of...
6H-thieno[2, 3-b]pyrrole derivatives as antagonists of...
6H-[1]benzopyrano[4,3-b]quinolines and their use as...
6H-[1]benzopyrano[4,3-b]quinolines and their use as...