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