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