6-Chloro-2-cyano-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-Chloro-2-(difluoromethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine
3-Chloro-5-cyano-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine
2-Chloro-6-(difluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine