3-bromo-6-(1,3-dihydroimidazol-2-ylidene)cyclohexa-2,4-dien-1-one

9-bromo-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepine

9-bromo-2,3-diiodo-5,6-dihydrobenzo[f ]imidazo[1,2-d][1,4]oxazepine

9-bromo-5,6-dihydrobenzo[f ]imidazo[1,2-d][1,4]oxazepine-2-carboxamide