6,7-Dimethoxy-N2,N2-dimethylquinazoline-2,4-diamine is an impurity of Alfuzosin (A532000), which is α1-adrenoceptor antagonist structurally similar to Prozosin. Alfuzosin is antihypertensive and is used in treatment of benign prostatic hypertrophy. Alfuzosin EP Impurity F
