Methyl 3-bromo-2-(difluoromethyl)-4-iodopyridine-6-acetate
Methyl 6-bromo-2-(difluoromethyl)-3-iodopyridine-4-acetate
4-(Aminomethyl)-2-bromo-3-(difluoromethyl)pyridine-5-carboxylic acid
3-(Aminomethyl)-5-bromo-6-(difluoromethyl)pyridine-2-carboxylic acid