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