Ethyl 3-(aminomethyl)-6-(difluoromethyl)-2-iodopyridine-4-carboxylate
Ethyl 4-(aminomethyl)-6-(difluoromethyl)-2-iodopyridine-3-carboxylate
Methyl 2-(aminomethyl)-3-(difluoromethyl)-6-iodopyridine-5-acetate
3-(Difluoromethyl)-4-methoxy-2-methyl-5-nitropyridine