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