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