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