(4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl)(furan-2-yl)methanone-D8; [4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl]-2-furanylmethanone-D8; 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-furanylcarbonxyl)piperazine-D8; Adversuten-D8; Adverszuten-D8; Alpress LP-D8; Furazosin-D8; Lentopres-D8; NSC 292810-D8; Peripress-D8; Terazosin EP Impurity K-D8;