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