hydrate hydrochloride terazosin hydrochloride dihydrate 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-(tetrahydro-2-furoyl)piperazine monohydrochloride dihydrate 459.188 459.92430 6,7-dimethoxy-2-[4-(tetrahydrofuran-2-ylcarbonyl)piperazin-1-yl]quinazolin-4-amine hydrochloride dihydrate C19H25N5O4.2H2O.HCl C19H30ClN5O6 CAS:70024-40-7 CHEBI:9446 DrugBank:DB01162 InChI=1S/C19H25N5O4.ClH.2H2O/c1-26-15-10-12-13(11-16(15)27-2)21-19(22-17(12)20)24-7-5-23(6-8-24)18(25)14-4-3-9-28-14;;;/h10-11,14H,3-9H2,1-2H3,(H2,20,21,22);1H;2*1H2 KEGG:D00610 NZMOFYDMGFQZLS-UHFFFAOYSA-N Patent:DE2831112 Patent:US4251532 Terazosin monohydrochloride dihydrate [H+].O.O.[Cl-].COc1cc2nc(nc(N)c2cc1OC)N1CCN(CC1)C(=O)C1CCCO1 chebi_ontology