3-(Chloromethyl)-2-cyano-6-(trifluoromethoxy)pyridine-5-carboxylic acid
2-(Bromomethyl)-6-fluoro-5-(trifluoromethoxy)pyridine-3-acetonitrile
3-(Chloromethyl)-2-cyano-5-(trifluoromethoxy)pyridine-4-carboxylic acid
4-Cyano-3-methoxy-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride