7-bromo-2-methylpyrido[1,2-a]pyrimidin-4-one

6-Bromo-2-(4-bromophenyl)imidazo[1,2-a]pyridine

6-Bromo-2-(2-thienyl)imidazo[1,2-a]pyridine

5-bromo-2-isothiocyanatopyridine

5-溴-1-乙基吡啶-2(1H)-酮