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