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