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