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