3-(Bromomethyl)-4-cyano-2-(trifluoromethoxy)pyridine-5-acetonitrile
3-(Bromomethyl)-2-cyano-5-(trifluoromethoxy)pyridine-6-acetonitrile
4-Chloro-2-methyl-3-nitro-5-(trifluoromethoxy)pyridine
3-Chloro-2-methoxy-6-(trifluoromethoxy)pyridine-5-carboxylic acid