1-(Benzenesulfonyl)-5-bromo-3-methyl-1H,2H,3H-pyrrolo[2,3-b]pyridine

for the following products 1H-Pyrrolo[2,3-b]pyridine, 5-bromo-2,3-dihydro-3-methyl-1-(phenylsulfonyl)- and 1-(Benzenesulfonyl)-5-bromo-3-methyl-1H,2H,3H-pyrrolo[2,3-b]pyridine