5-(Bromomethyl)-3-cyano-2-(trifluoromethoxy)pyridine-4-acetic acid
4-Cyano-3-methoxy-5-(trifluoromethoxy)pyridine-2-methanol
3-Cyano-2-methoxy-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Chloro-5-(chloromethyl)-2-(trifluoromethoxy)pyridine-6-acetic acid