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