2-(Bromomethyl)-3-cyano-5-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Cyano-4-methoxy-3-(trifluoromethoxy)pyridine-5-acetic acid
3-Fluoro-6-nitro-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-Cyano-3-methoxy-5-(trifluoromethoxy)pyridine-6-acetic acid