Ethyl 4-(aminomethyl)-3-(difluoromethyl)-6-iodopyridine-2-acetate
5-(Bromomethyl)-3-(difluoromethyl)-2-iodopyridine-4-carboxaldehyde
2-(Bromomethyl)-6-(difluoromethyl)-4-iodopyridine-3-carboxaldehyde
2-(Bromomethyl)-5-(difluoromethyl)-6-iodopyridine-3-carboxaldehyde