4-Amino-2-chloro-6,7-dimethoxyquinazoline23680-84-4100 % similar 2-(1-Piperazinyl)-4-amino-6,7-dimethoxyquinazoline60547-97-955 % similar 2-Chloro-5-methoxy-4-pyrimidinamine99979-77-854 % similar 2,4-Dichloro-6,7-dimethoxyquinazoline27631-29-450 % similar Terazosin63590-64-743 % similar Prazosin19216-56-942 % similar 6,7-Dimethoxy-2,4(1H,3H)-quinazolinedione28888-44-042 % similar Terazosin hydrochloride63074-08-841 % similar Prazosin hydrochloride19237-84-441 % similar Terazosin monohydrochloride dihydrate70024-40-739 % similar Doxazosin74191-85-839 % similar Alfuzosin81403-80-739 % similar Alfuzosin hydrochloride81403-68-138 % similar 4-Chloro-6-methoxy-2-pyrimidinamine5734-64-536 % similar Cyclazosin146929-33-136 % similar 2-Chloro-4,5-pyrimidinediamine14631-08-436 % similar Doxazosin mesylate77883-43-334 % similar 2-Chloro-6-methyl-4-pyrimidinamine14394-60-634 % similar N-(3-Chlorophenyl)-6,7-dimethoxy-4-quinazolinamine153436-53-433 % similar 6-Chloro-5-methoxy-4-pyrimidinamine5018-41-733 % similar