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