which arbs are available generic?
['azilsartan (Edarbi)', 'candesartan (Atacand)', 'eprosartan (Teveten)', 'irbesartan (Avapro)', 'telmisartan (Micardis)', 'valsartan (Diovan, Prexxartan)', 'losartan (Cozaar)', 'olmesartan (Benicar)']