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