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