2-(Difluoromethyl)-4-methoxy-5-methyl-3-nitropyridine
Ethyl 3-(difluoromethyl)-6-iodo-2-(trifluoromethyl)pyridine-4-acetate
Ethyl 3-(aminomethyl)-6-(difluoromethyl)-2-iodopyridine-5-acetate
Ethyl 4-(aminomethyl)-3-(difluoromethyl)-6-iodopyridine-2-acetate