3-Cyano-6-(fluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine
3-(Chloromethyl)-4-fluoro-5-methyl-2-(trifluoromethoxy)pyridine
4-Cyano-3-(fluoromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine
3-(Chloromethyl)-2-fluoro-5-methyl-4-(trifluoromethoxy)pyridine