Ethyl 3-(aminomethyl)-4-bromo-2-(difluoromethyl)pyridine-5-carboxylate
6-Bromo-3-(difluoromethyl)-4-iodopyridine-2-carbonyl chloride
Ethyl 3-(aminomethyl)-2-bromo-6-(difluoromethyl)pyridine-4-carboxylate
2-Bromo-5-(difluoromethyl)-3-iodopyridine-6-carbonyl chloride