3-Bromo-6-(chloromethyl)-2-(difluoromethyl)-4-nitropyridine
4-Bromo-6-(chloromethyl)-2-(difluoromethyl)-3-nitropyridine
2-Bromo-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-6-acetonitrile
2-Bromo-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-5-acetonitrile