英文别名Brimonidine Impurity 1; Brimonidine EP Impurity A; N-(4,5-DIHYDRO-1H-IMIDAZOL-2-YL)-6-QUINOXALINAMINE; 6-Quinoxalinamine,N-(4,5-dihydro-1H-imidazol-2-yl); Imidazolidin-2-ylidene-quinoxalin-6-yl-amine; Brimonidine Impurity A; Debromo Brimonidine; Brimonidine Impurity 3; Brimonidine EP Imp A 
