3-Chloro-4-methoxy-5-(trifluoromethoxy)pyridine-2-acetonitrile
5-(Bromomethyl)-4-cyano-2-methoxy-3-(trifluoromethoxy)pyridine
2-Chloro-6-methoxy-4-(trifluoromethoxy)pyridine-3-acetonitrile
3-(Bromomethyl)-2-cyano-6-methoxy-5-(trifluoromethoxy)pyridine