2-Bromo-3-(difluoromethyl)-5-nitropyridine-6-acetonitrile
Ethyl 3-bromo-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-acetate
Ethyl 3-bromo-4-(difluoromethyl)-6-(trifluoromethyl)pyridine-2-acetate
2-Bromo-3-(difluoromethyl)-4-nitropyridine-6-acetonitrile