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