6,7-Dimethoxy-2,4(1H,3H)-quinazolinedione; 2,5-Dihydroxy-6,7-dimethoxyquinazoline; 6,7-Dimethoxy-1H-quinazoline-2,4-dione; 6,7-Dimethoxy-2,4(1H,3H)-quinazolinedione; 6,7-Dimethoxyquinazoline-2,4-diol; Doxazosin EP Impurity D;6,7-Dimethoxyquinazoline-2,4-dione
6,7-Dimethoxy-2,4(1H,3H)-quinazolinedione; 2,5-Dihydroxy-6,7-dimethoxyquinazoline; 6,7-Dimethoxy-1H-quinazoline-2,4-dione; 6,7-Dimethoxy-2,4(1H,3H)-quinazolinedione; 6,7-Dimethoxyquinazoline-2,4-diol; Doxazosin EP Impurity D;6,7-Dimethoxyquinazoline-2,4-dione