4-Amino-7-bromoimidazo[2,1-F][1,2,4]triazine1235374-44-3100 % similar 7-Bromopyrrolo[2,1-F][1,2,4]triazin-4-amine937046-98-554 % similar 3-Bromoimidazo[1,2-B]pyridazine18087-73-538 % similar 5-Chloropyrimidin-4-amine101257-82-333 % similar 5-Bromo-3-chloropyridin-2-amine38185-55-631 % similar 3-Bromo-5-chloro-2-pyrazinamine76537-18-331 % similar