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