Histamine antagonists; indole and carbazole derivatives.
D002227:Carbazoles; D006632:Histamine; D006633:Histamine Antagonists; D007211:Indoles
D002227:Carbazoles; D006633:Histamine Antagonists; D007211:Indoles; C041514:carbazole; D006632:Histamine; C030374:indole
CARBAZOLES; HISTAMINE; INDOLE