英文别名2-Methyl-2-propanyl 4-(4-amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinecarboxylate; 1-Piperazinecarboxylic acid, 4-(4-amino-6,7-dimethoxy-2-quinazolinyl)-, 1,1-dimethylethyl ester; Terazosin Impurity 23; Terazosin Impurity 30; 1-Boc-4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazine; tert-butyl 4-(4-amino-6,7-dimethoxy-quinazolin-2-yl)piperazine-1-carboxylate 
