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