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