2-Bromo-6-(bromomethyl)-3-(difluoromethyl)pyridine-5-acetonitrile
2-Bromo-6-(difluoromethyl)-5-methyl-3-(trifluoromethyl)pyridine
2-Bromo-5-(bromomethyl)-6-(difluoromethyl)pyridine-3-acetonitrile
2-Bromo-6-(difluoromethyl)-4-methyl-3-(trifluoromethyl)pyridine