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