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