Ethyl 2-(aminomethyl)-3-(difluoromethyl)-5-iodopyridine-4-carboxylate
5-(Bromomethyl)-2-(difluoromethyl)-4-iodopyridine-3-methanol
Methyl 3-(aminomethyl)-6-(difluoromethyl)-2-iodopyridine-5-carboxylate
5-(Bromomethyl)-2-(difluoromethyl)-3-iodopyridine-4-methanol