4-Cyano-3-methoxy-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-(Aminomethyl)-6-chloro-4-hydroxy-2-(trifluoromethoxy)pyridine
4-Chloro-5-hydroxy-2-(trifluoromethoxy)pyridine-3-methanol
4-Cyano-2-methoxy-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride