Ethyl 5-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
6-(Chloromethyl)-4-fluoro-3-hydroxy-2-(trifluoromethoxy)pyridine
6-Cyano-4-hydroxy-3-(trifluoromethoxy)pyridine-2-methanol
2-(Chloromethyl)-4-fluoro-3-hydroxy-5-(trifluoromethoxy)pyridine