4-(Fluoromethyl)-5-methyl-3-(trifluoromethoxy)pyridine-2-acetonitrile
4-(Fluoromethyl)-6-methyl-2-(trifluoromethoxy)pyridine-3-acetonitrile
5-(Fluoromethyl)-2-methyl-3-(trifluoromethoxy)pyridine-4-acetonitrile
4-(Fluoromethyl)-6-methyl-3-(trifluoromethoxy)pyridine-2-acetonitrile