(4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl)(2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methanone-D8 HCl; [4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-(piperazinyl-d8)](2,3-dihydro-1,4-benzodioxin-2-yl)methanone Hydrochloride; (±)-Doxazosin-d8 Hydrochloride; Doxazosine-d8 Hydrochloride; UK 33274-d8 Hydrochloride
