英文别名1-(4-Amino-6,7-dimethoxyquinazolin-2-yl)-4-((2RS)-2-hydroxypentanoyl)piperazine; Terazosin Impurity J; Terazosin EP Impurity J; Terazosin Impurity 10; 1-Pentanone,1-(4-(4-amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl)-2-hydroxy; Piperazine,1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-hydroxy-1-oxopentyl)-,(+/-) 
