5-Bromo-6-(2-imidazolin-2-ylamino)quinoxaline 5-Bromo-N-(4,5-dihydro-1H-imidazol-2-yl)-6-quinoxalinamine 59803-98-4 6-Quinoxalinamine, 5-bromo-N-(4,5-dihydro-1H-imidazol-2-yl)- (9CI) 6-quinoxalinamine, 5-bromo-N-(4,5-dihydro-1H-imidazol-2-yl)- AGN 190342 AGN-190342 Alphagan P Bromoxidine UK 14,304 UK 14304 UK 14304-18 brimonidine