2-Cyano-3-iodo-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-(Aminomethyl)-2-cyano-6-(trifluoromethoxy)pyridine-5-methanol
3-(Bromomethyl)-4-cyano-6-methoxy-2-(trifluoromethoxy)pyridine
3-Chloro-5-(fluoromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine