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