2-Benzo[1,3]dioxol-5-yl-3-bromo-6-chloro-imidazo[1,2-a]pyridine

for the following products 2-(1,3-Benzodioxol-5-yl)-3-bromo-6-chloroimidazo[1,2-a]pyridine and 2-Benzo[1,3]dioxol-5-yl-3-bromo-6-chloro-imidazo[1,2-a]pyridine