(4-(4-Amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl)(tetrahydrofuran-2-yl)methanone hydrochloride 2-hydrate

for the following products 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-(tetrahydro-2-furanyl-)carbonyl)piperazine hydrochloride 2-hydrate | Terazosin hydrochloride | Terazosin monohydrochloride 2-hydrate and (4-(4-Amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl)(tetrahydrofuran-2-yl)methanone hydrochloride 2-hydrate