[4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-(oxolan-2-yl)methanone;hydrochloride; Dysalfa; Flotrin; Heitrin; Hytracin; Teralfa; Terasin; Terazin; Tructum; Vasocard; Olyster; Rotiaz; Itrin; Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, Monohydrochloride; 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-(tetrahydro-2-furoyl)piperazine Monohydrochloride; (4-(4-Amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl)(tetrahydrofuran-2-yl)methanone Hydrochloride; Terazosin Hydrochloride (USP)