2-Chloro-5-hydroxy-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Chloro-5-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Chloromethyl)-2-cyano-6-hydroxy-4-(trifluoromethoxy)pyridine
2-Chloro-3-methyl-4-(trifluoromethoxy)pyridine-5-carboxaldehyde