Synonyms: Doxazosin Mesilate, Methanone, [4-(4-amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl](2,3-dihydro-1,4-benzodioxin-2-yl)-, methanesulfonate (1:1), Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(2,3-dihydro-1,4-benzodioxin-2-yl)carbonyl]-, monomethanesulfonate (9CI), 1,4-Benzodioxin, piperazine deriv., Alfadil, Cardenalin, Cardran, Cardular, Cardura, Cardura (pharmaceutical), Carduran, Diblocin, Doxazosin mesylate, Doxazosin monomethanesulfonate, Normothen, Supressin, UK 33274-27, doxazolazine mesylate