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