2-Chloro-6,7-dimethoxy-4-quinazolinamine; USP Doxazosine Related Compound C; Terazosin EP Impurity A; Alfuzosin EP Impurity B; Prazosin Impurity;4-Amino-2-chloro-6,7-dimethoxyquinazoline
2-Chloro-6,7-dimethoxy-4-quinazolinamine; USP Doxazosine Related Compound C; Terazosin EP Impurity A; Alfuzosin EP Impurity B; Prazosin Impurity;4-Amino-2-chloro-6,7-dimethoxyquinazoline